Home / 47,423.80-71,139.30-14,141.26

Finding the Fourth Proportional to 47,423.80, 71,139.30 and 14,141.26

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Solution

The fourth proportional to 47,423.80, 71,139.30 and 14,141.26 is: 21,212.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,423.80 : 71,139.30 = 14,141.26 : x
  2. Step 2: Convert to fraction form
    47,423.80/71,139.30 = 14,141.26/x
  3. Step 3: Cross multiply
    47,423.80x = 71,139.30 × 14,141.26
  4. Step 4: Simplify right side
    47,423.80x = 1,005,999,337.52
  5. Step 5: Solve for x
    x = 1,005,999,337.52/47,423.80
  6. Step 6: Final answer
    x = 21,212.96

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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.