Home / 47,808.46-71,721.26-19,712.89

Finding the Fourth Proportional to 47,808.46, 71,721.26 and 19,712.89

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Solution

The fourth proportional to 47,808.46, 71,721.26 and 19,712.89 is: 29,572.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,808.46 : 71,721.26 = 19,712.89 : x
  2. Step 2: Convert to fraction form
    47,808.46/71,721.26 = 19,712.89/x
  3. Step 3: Cross multiply
    47,808.46x = 71,721.26 × 19,712.89
  4. Step 4: Simplify right side
    47,808.46x = 1,413,832,851.87
  5. Step 5: Solve for x
    x = 1,413,832,851.87/47,808.46
  6. Step 6: Final answer
    x = 29,572.86

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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.