Home / 47,507.70-71,265.63-12,447.36

Finding the Fourth Proportional to 47,507.70, 71,265.63 and 12,447.36

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Solution

The fourth proportional to 47,507.70, 71,265.63 and 12,447.36 is: 18,672.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,507.70 : 71,265.63 = 12,447.36 : x
  2. Step 2: Convert to fraction form
    47,507.70/71,265.63 = 12,447.36/x
  3. Step 3: Cross multiply
    47,507.70x = 71,265.63 × 12,447.36
  4. Step 4: Simplify right side
    47,507.70x = 887,068,952.24
  5. Step 5: Solve for x
    x = 887,068,952.24/47,507.70
  6. Step 6: Final answer
    x = 18,672.11

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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.