Home / 47,836.29-71,780.87-19,749.78

Finding the Fourth Proportional to 47,836.29, 71,780.87 and 19,749.78

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Solution

The fourth proportional to 47,836.29, 71,780.87 and 19,749.78 is: 29,635.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,836.29 : 71,780.87 = 19,749.78 : x
  2. Step 2: Convert to fraction form
    47,836.29/71,780.87 = 19,749.78/x
  3. Step 3: Cross multiply
    47,836.29x = 71,780.87 × 19,749.78
  4. Step 4: Simplify right side
    47,836.29x = 1,417,656,390.71
  5. Step 5: Solve for x
    x = 1,417,656,390.71/47,836.29
  6. Step 6: Final answer
    x = 29,635.58

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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.