Home / 38,142.40-57,213.06-14,752.30

Finding the Fourth Proportional to 38,142.40, 57,213.06 and 14,752.30

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Solution

The fourth proportional to 38,142.40, 57,213.06 and 14,752.30 is: 22,128.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,142.40 : 57,213.06 = 14,752.30 : x
  2. Step 2: Convert to fraction form
    38,142.40/57,213.06 = 14,752.30/x
  3. Step 3: Cross multiply
    38,142.40x = 57,213.06 × 14,752.30
  4. Step 4: Simplify right side
    38,142.40x = 844,024,225.04
  5. Step 5: Solve for x
    x = 844,024,225.04/38,142.40
  6. Step 6: Final answer
    x = 22,128.24

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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.