Home / 31,966.02-44,128.13-21,227.85

Finding the Fourth Proportional to 31,966.02, 44,128.13 and 21,227.85

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Solution

The fourth proportional to 31,966.02, 44,128.13 and 21,227.85 is: 29,304.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,966.02 : 44,128.13 = 21,227.85 : x
  2. Step 2: Convert to fraction form
    31,966.02/44,128.13 = 21,227.85/x
  3. Step 3: Cross multiply
    31,966.02x = 44,128.13 × 21,227.85
  4. Step 4: Simplify right side
    31,966.02x = 936,745,218.28
  5. Step 5: Solve for x
    x = 936,745,218.28/31,966.02
  6. Step 6: Final answer
    x = 29,304.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.