Home / 30,645.48-42,193.00-26,151.19

Finding the Fourth Proportional to 30,645.48, 42,193.00 and 26,151.19

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Solution

The fourth proportional to 30,645.48, 42,193.00 and 26,151.19 is: 36,005.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,645.48 : 42,193.00 = 26,151.19 : x
  2. Step 2: Convert to fraction form
    30,645.48/42,193.00 = 26,151.19/x
  3. Step 3: Cross multiply
    30,645.48x = 42,193.00 × 26,151.19
  4. Step 4: Simplify right side
    30,645.48x = 1,103,397,147.03
  5. Step 5: Solve for x
    x = 1,103,397,147.03/30,645.48
  6. Step 6: Final answer
    x = 36,005.22

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Half scale
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Double scale
Find fourth proportional to 30,646.48, 42,194.37 and 26,152.19
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.