Home / 38,463.12-57,701.70-12,175.20

Finding the Fourth Proportional to 38,463.12, 57,701.70 and 12,175.20

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Solution

The fourth proportional to 38,463.12, 57,701.70 and 12,175.20 is: 18,265.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,463.12 : 57,701.70 = 12,175.20 : x
  2. Step 2: Convert to fraction form
    38,463.12/57,701.70 = 12,175.20/x
  3. Step 3: Cross multiply
    38,463.12x = 57,701.70 × 12,175.20
  4. Step 4: Simplify right side
    38,463.12x = 702,529,737.84
  5. Step 5: Solve for x
    x = 702,529,737.84/38,463.12
  6. Step 6: Final answer
    x = 18,265.02

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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.