Home / 31,564.54-47,345.27-11,841.55

Finding the Fourth Proportional to 31,564.54, 47,345.27 and 11,841.55

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Solution

The fourth proportional to 31,564.54, 47,345.27 and 11,841.55 is: 17,761.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,564.54 : 47,345.27 = 11,841.55 : x
  2. Step 2: Convert to fraction form
    31,564.54/47,345.27 = 11,841.55/x
  3. Step 3: Cross multiply
    31,564.54x = 47,345.27 × 11,841.55
  4. Step 4: Simplify right side
    31,564.54x = 560,641,381.97
  5. Step 5: Solve for x
    x = 560,641,381.97/31,564.54
  6. Step 6: Final answer
    x = 17,761.75

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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.