Home / 47,463.46-71,203.39-19,398.78

Finding the Fourth Proportional to 47,463.46, 71,203.39 and 19,398.78

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Solution

The fourth proportional to 47,463.46, 71,203.39 and 19,398.78 is: 29,101.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,463.46 : 71,203.39 = 19,398.78 : x
  2. Step 2: Convert to fraction form
    47,463.46/71,203.39 = 19,398.78/x
  3. Step 3: Cross multiply
    47,463.46x = 71,203.39 × 19,398.78
  4. Step 4: Simplify right side
    47,463.46x = 1,381,258,897.86
  5. Step 5: Solve for x
    x = 1,381,258,897.86/47,463.46
  6. Step 6: Final answer
    x = 29,101.52

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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.