Home / 31,612.83-47,403.45-10,545.54

Finding the Fourth Proportional to 31,612.83, 47,403.45 and 10,545.54

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Solution

The fourth proportional to 31,612.83, 47,403.45 and 10,545.54 is: 15,813.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,612.83 : 47,403.45 = 10,545.54 : x
  2. Step 2: Convert to fraction form
    31,612.83/47,403.45 = 10,545.54/x
  3. Step 3: Cross multiply
    31,612.83x = 47,403.45 × 10,545.54
  4. Step 4: Simplify right side
    31,612.83x = 499,894,978.11
  5. Step 5: Solve for x
    x = 499,894,978.11/31,612.83
  6. Step 6: Final answer
    x = 15,813.04

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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.