Home / 38,640.38-57,958.67-22,638.98

Finding the Fourth Proportional to 38,640.38, 57,958.67 and 22,638.98

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Solution

The fourth proportional to 38,640.38, 57,958.67 and 22,638.98 is: 33,957.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,640.38 : 57,958.67 = 22,638.98 : x
  2. Step 2: Convert to fraction form
    38,640.38/57,958.67 = 22,638.98/x
  3. Step 3: Cross multiply
    38,640.38x = 57,958.67 × 22,638.98
  4. Step 4: Simplify right side
    38,640.38x = 1,312,124,767.97
  5. Step 5: Solve for x
    x = 1,312,124,767.97/38,640.38
  6. Step 6: Final answer
    x = 33,957.35

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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.