Home / 38,877.20-58,317.64-12,584

Finding the Fourth Proportional to 38,877.20, 58,317.64 and 12,584

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Solution

The fourth proportional to 38,877.20, 58,317.64 and 12,584 is: 18,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,877.20 : 58,317.64 = 12,584 : x
  2. Step 2: Convert to fraction form
    38,877.20/58,317.64 = 12,584/x
  3. Step 3: Cross multiply
    38,877.20x = 58,317.64 × 12,584
  4. Step 4: Simplify right side
    38,877.20x = 733,869,181.76
  5. Step 5: Solve for x
    x = 733,869,181.76/38,877.20
  6. Step 6: Final answer
    x = 18,876.60

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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.