Home / 47,715.59-71,564.15-14,427.85

Finding the Fourth Proportional to 47,715.59, 71,564.15 and 14,427.85

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Solution

The fourth proportional to 47,715.59, 71,564.15 and 14,427.85 is: 21,638.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,715.59 : 71,564.15 = 14,427.85 : x
  2. Step 2: Convert to fraction form
    47,715.59/71,564.15 = 14,427.85/x
  3. Step 3: Cross multiply
    47,715.59x = 71,564.15 × 14,427.85
  4. Step 4: Simplify right side
    47,715.59x = 1,032,517,000.49
  5. Step 5: Solve for x
    x = 1,032,517,000.49/47,715.59
  6. Step 6: Final answer
    x = 21,638.99

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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.