Home / 47,385.96-71,079.03-12,325.56

Finding the Fourth Proportional to 47,385.96, 71,079.03 and 12,325.56

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Solution

The fourth proportional to 47,385.96, 71,079.03 and 12,325.56 is: 18,488.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,385.96 : 71,079.03 = 12,325.56 : x
  2. Step 2: Convert to fraction form
    47,385.96/71,079.03 = 12,325.56/x
  3. Step 3: Cross multiply
    47,385.96x = 71,079.03 × 12,325.56
  4. Step 4: Simplify right side
    47,385.96x = 876,088,849.01
  5. Step 5: Solve for x
    x = 876,088,849.01/47,385.96
  6. Step 6: Final answer
    x = 18,488.36

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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.