Home / 40,688.83-61,042.56-15,729.09

Finding the Fourth Proportional to 40,688.83, 61,042.56 and 15,729.09

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Solution

The fourth proportional to 40,688.83, 61,042.56 and 15,729.09 is: 23,597.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,688.83 : 61,042.56 = 15,729.09 : x
  2. Step 2: Convert to fraction form
    40,688.83/61,042.56 = 15,729.09/x
  3. Step 3: Cross multiply
    40,688.83x = 61,042.56 × 15,729.09
  4. Step 4: Simplify right side
    40,688.83x = 960,143,614.86
  5. Step 5: Solve for x
    x = 960,143,614.86/40,688.83
  6. Step 6: Final answer
    x = 23,597.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.