Home / 47,665.53-71,498.77-14,385.87

Finding the Fourth Proportional to 47,665.53, 71,498.77 and 14,385.87

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Solution

The fourth proportional to 47,665.53, 71,498.77 and 14,385.87 is: 21,578.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,665.53 : 71,498.77 = 14,385.87 : x
  2. Step 2: Convert to fraction form
    47,665.53/71,498.77 = 14,385.87/x
  3. Step 3: Cross multiply
    47,665.53x = 71,498.77 × 14,385.87
  4. Step 4: Simplify right side
    47,665.53x = 1,028,571,974.42
  5. Step 5: Solve for x
    x = 1,028,571,974.42/47,665.53
  6. Step 6: Final answer
    x = 21,578.95

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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.