Home / 47,917.79-71,890.53-19,832.66

Finding the Fourth Proportional to 47,917.79, 71,890.53 and 19,832.66

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Solution

The fourth proportional to 47,917.79, 71,890.53 and 19,832.66 is: 29,754.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,917.79 : 71,890.53 = 19,832.66 : x
  2. Step 2: Convert to fraction form
    47,917.79/71,890.53 = 19,832.66/x
  3. Step 3: Cross multiply
    47,917.79x = 71,890.53 × 19,832.66
  4. Step 4: Simplify right side
    47,917.79x = 1,425,780,438.71
  5. Step 5: Solve for x
    x = 1,425,780,438.71/47,917.79
  6. Step 6: Final answer
    x = 29,754.72

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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.