Home / 36,618.67-50,534.75-20,705.51

Finding the Fourth Proportional to 36,618.67, 50,534.75 and 20,705.51

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Solution

The fourth proportional to 36,618.67, 50,534.75 and 20,705.51 is: 28,574.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,618.67 : 50,534.75 = 20,705.51 : x
  2. Step 2: Convert to fraction form
    36,618.67/50,534.75 = 20,705.51/x
  3. Step 3: Cross multiply
    36,618.67x = 50,534.75 × 20,705.51
  4. Step 4: Simplify right side
    36,618.67x = 1,046,347,771.47
  5. Step 5: Solve for x
    x = 1,046,347,771.47/36,618.67
  6. Step 6: Final answer
    x = 28,574.16

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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.