Home / 31,332.29-47,000.30-12,612.24

Finding the Fourth Proportional to 31,332.29, 47,000.30 and 12,612.24

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Solution

The fourth proportional to 31,332.29, 47,000.30 and 12,612.24 is: 18,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,332.29 : 47,000.30 = 12,612.24 : x
  2. Step 2: Convert to fraction form
    31,332.29/47,000.30 = 12,612.24/x
  3. Step 3: Cross multiply
    31,332.29x = 47,000.30 × 12,612.24
  4. Step 4: Simplify right side
    31,332.29x = 592,779,000.61
  5. Step 5: Solve for x
    x = 592,779,000.61/31,332.29
  6. Step 6: Final answer
    x = 18,919.11

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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.