Home / 38,422.98-57,560.36-21,731.92

Finding the Fourth Proportional to 38,422.98, 57,560.36 and 21,731.92

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Solution

The fourth proportional to 38,422.98, 57,560.36 and 21,731.92 is: 32,555.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,422.98 : 57,560.36 = 21,731.92 : x
  2. Step 2: Convert to fraction form
    38,422.98/57,560.36 = 21,731.92/x
  3. Step 3: Cross multiply
    38,422.98x = 57,560.36 × 21,731.92
  4. Step 4: Simplify right side
    38,422.98x = 1,250,896,886.13
  5. Step 5: Solve for x
    x = 1,250,896,886.13/38,422.98
  6. Step 6: Final answer
    x = 32,555.96

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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.