Home / 38,500.42-57,740.43-15,127.06

Finding the Fourth Proportional to 38,500.42, 57,740.43 and 15,127.06

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Solution

The fourth proportional to 38,500.42, 57,740.43 and 15,127.06 is: 22,686.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,500.42 : 57,740.43 = 15,127.06 : x
  2. Step 2: Convert to fraction form
    38,500.42/57,740.43 = 15,127.06/x
  3. Step 3: Cross multiply
    38,500.42x = 57,740.43 × 15,127.06
  4. Step 4: Simplify right side
    38,500.42x = 873,442,949.04
  5. Step 5: Solve for x
    x = 873,442,949.04/38,500.42
  6. Step 6: Final answer
    x = 22,686.58

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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.