Home / 37,740.38-52,086.36-21,613.70

Finding the Fourth Proportional to 37,740.38, 52,086.36 and 21,613.70

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Solution

The fourth proportional to 37,740.38, 52,086.36 and 21,613.70 is: 29,829.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,740.38 : 52,086.36 = 21,613.70 : x
  2. Step 2: Convert to fraction form
    37,740.38/52,086.36 = 21,613.70/x
  3. Step 3: Cross multiply
    37,740.38x = 52,086.36 × 21,613.70
  4. Step 4: Simplify right side
    37,740.38x = 1,125,778,959.13
  5. Step 5: Solve for x
    x = 1,125,778,959.13/37,740.38
  6. Step 6: Final answer
    x = 29,829.56

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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.