Home / 38,156.31-57,156.89-23,154.53

Finding the Fourth Proportional to 38,156.31, 57,156.89 and 23,154.53

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Solution

The fourth proportional to 38,156.31, 57,156.89 and 23,154.53 is: 34,684.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,156.31 : 57,156.89 = 23,154.53 : x
  2. Step 2: Convert to fraction form
    38,156.31/57,156.89 = 23,154.53/x
  3. Step 3: Cross multiply
    38,156.31x = 57,156.89 × 23,154.53
  4. Step 4: Simplify right side
    38,156.31x = 1,323,440,522.65
  5. Step 5: Solve for x
    x = 1,323,440,522.65/38,156.31
  6. Step 6: Final answer
    x = 34,684.71

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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.