Home / 38,295.10-57,442.68-12,001.89

Finding the Fourth Proportional to 38,295.10, 57,442.68 and 12,001.89

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Solution

The fourth proportional to 38,295.10, 57,442.68 and 12,001.89 is: 18,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,295.10 : 57,442.68 = 12,001.89 : x
  2. Step 2: Convert to fraction form
    38,295.10/57,442.68 = 12,001.89/x
  3. Step 3: Cross multiply
    38,295.10x = 57,442.68 × 12,001.89
  4. Step 4: Simplify right side
    38,295.10x = 689,420,726.67
  5. Step 5: Solve for x
    x = 689,420,726.67/38,295.10
  6. Step 6: Final answer
    x = 18,002.84

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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.