Home / 38,649.10-57,939.90-14,972.80

Finding the Fourth Proportional to 38,649.10, 57,939.90 and 14,972.80

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Solution

The fourth proportional to 38,649.10, 57,939.90 and 14,972.80 is: 22,446.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,649.10 : 57,939.90 = 14,972.80 : x
  2. Step 2: Convert to fraction form
    38,649.10/57,939.90 = 14,972.80/x
  3. Step 3: Cross multiply
    38,649.10x = 57,939.90 × 14,972.80
  4. Step 4: Simplify right side
    38,649.10x = 867,522,534.72
  5. Step 5: Solve for x
    x = 867,522,534.72/38,649.10
  6. Step 6: Final answer
    x = 22,446.13

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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.