Home / 31,472.30-47,210.50-8,098.73

Finding the Fourth Proportional to 31,472.30, 47,210.50 and 8,098.73

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Solution

The fourth proportional to 31,472.30, 47,210.50 and 8,098.73 is: 12,148.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,472.30 : 47,210.50 = 8,098.73 : x
  2. Step 2: Convert to fraction form
    31,472.30/47,210.50 = 8,098.73/x
  3. Step 3: Cross multiply
    31,472.30x = 47,210.50 × 8,098.73
  4. Step 4: Simplify right side
    31,472.30x = 382,345,263.78
  5. Step 5: Solve for x
    x = 382,345,263.78/31,472.30
  6. Step 6: Final answer
    x = 12,148.63

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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.