Home / 31,498.13-47,247.20-13,030.13

Finding the Fourth Proportional to 31,498.13, 47,247.20 and 13,030.13

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Solution

The fourth proportional to 31,498.13, 47,247.20 and 13,030.13 is: 19,545.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,498.13 : 47,247.20 = 13,030.13 : x
  2. Step 2: Convert to fraction form
    31,498.13/47,247.20 = 13,030.13/x
  3. Step 3: Cross multiply
    31,498.13x = 47,247.20 × 13,030.13
  4. Step 4: Simplify right side
    31,498.13x = 615,636,856.75
  5. Step 5: Solve for x
    x = 615,636,856.75/31,498.13
  6. Step 6: Final answer
    x = 19,545.19

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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.