Home / 31,562.61-47,279.52-19,677.48

Finding the Fourth Proportional to 31,562.61, 47,279.52 and 19,677.48

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Solution

The fourth proportional to 31,562.61, 47,279.52 and 19,677.48 is: 29,476.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,562.61 : 47,279.52 = 19,677.48 : x
  2. Step 2: Convert to fraction form
    31,562.61/47,279.52 = 19,677.48/x
  3. Step 3: Cross multiply
    31,562.61x = 47,279.52 × 19,677.48
  4. Step 4: Simplify right side
    31,562.61x = 930,341,809.21
  5. Step 5: Solve for x
    x = 930,341,809.21/31,562.61
  6. Step 6: Final answer
    x = 29,476.07

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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.