Home / 31,553.90-47,330.48-18,246.92

Finding the Fourth Proportional to 31,553.90, 47,330.48 and 18,246.92

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Solution

The fourth proportional to 31,553.90, 47,330.48 and 18,246.92 is: 27,370.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,553.90 : 47,330.48 = 18,246.92 : x
  2. Step 2: Convert to fraction form
    31,553.90/47,330.48 = 18,246.92/x
  3. Step 3: Cross multiply
    31,553.90x = 47,330.48 × 18,246.92
  4. Step 4: Simplify right side
    31,553.90x = 863,635,454.68
  5. Step 5: Solve for x
    x = 863,635,454.68/31,553.90
  6. Step 6: Final answer
    x = 27,370.16

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Double scale
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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.