Home / 42,550.16-58,728.12-25,555.19

Finding the Fourth Proportional to 42,550.16, 58,728.12 and 25,555.19

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Solution

The fourth proportional to 42,550.16, 58,728.12 and 25,555.19 is: 35,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,550.16 : 58,728.12 = 25,555.19 : x
  2. Step 2: Convert to fraction form
    42,550.16/58,728.12 = 25,555.19/x
  3. Step 3: Cross multiply
    42,550.16x = 58,728.12 × 25,555.19
  4. Step 4: Simplify right side
    42,550.16x = 1,500,808,264.94
  5. Step 5: Solve for x
    x = 1,500,808,264.94/42,550.16
  6. Step 6: Final answer
    x = 35,271.51

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Half scale
Find fourth proportional to 85,100.32, 117,456.24 and 51,110.38
Double scale
Find fourth proportional to 42,551.16, 58,729.50 and 25,556.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.