Home / 31,764.48-47,636.96-21,966.72

Finding the Fourth Proportional to 31,764.48, 47,636.96 and 21,966.72

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Solution

The fourth proportional to 31,764.48, 47,636.96 and 21,966.72 is: 32,943.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,764.48 : 47,636.96 = 21,966.72 : x
  2. Step 2: Convert to fraction form
    31,764.48/47,636.96 = 21,966.72/x
  3. Step 3: Cross multiply
    31,764.48x = 47,636.96 × 21,966.72
  4. Step 4: Simplify right side
    31,764.48x = 1,046,427,761.97
  5. Step 5: Solve for x
    x = 1,046,427,761.97/31,764.48
  6. Step 6: Final answer
    x = 32,943.33

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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.