Home / 31,936.43-47,929.25-25,711.70

Finding the Fourth Proportional to 31,936.43, 47,929.25 and 25,711.70

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Solution

The fourth proportional to 31,936.43, 47,929.25 and 25,711.70 is: 38,587.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,936.43 : 47,929.25 = 25,711.70 : x
  2. Step 2: Convert to fraction form
    31,936.43/47,929.25 = 25,711.70/x
  3. Step 3: Cross multiply
    31,936.43x = 47,929.25 × 25,711.70
  4. Step 4: Simplify right side
    31,936.43x = 1,232,342,129.02
  5. Step 5: Solve for x
    x = 1,232,342,129.02/31,936.43
  6. Step 6: Final answer
    x = 38,587.34

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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.