Home / 38,702.44-58,061.87-12,425.64

Finding the Fourth Proportional to 38,702.44, 58,061.87 and 12,425.64

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Solution

The fourth proportional to 38,702.44, 58,061.87 and 12,425.64 is: 18,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,702.44 : 58,061.87 = 12,425.64 : x
  2. Step 2: Convert to fraction form
    38,702.44/58,061.87 = 12,425.64/x
  3. Step 3: Cross multiply
    38,702.44x = 58,061.87 × 12,425.64
  4. Step 4: Simplify right side
    38,702.44x = 721,455,894.35
  5. Step 5: Solve for x
    x = 721,455,894.35/38,702.44
  6. Step 6: Final answer
    x = 18,641.10

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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.