Home / 47,327.76-70,981.62-17,747.78

Finding the Fourth Proportional to 47,327.76, 70,981.62 and 17,747.78

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Solution

The fourth proportional to 47,327.76, 70,981.62 and 17,747.78 is: 26,617.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,327.76 : 70,981.62 = 17,747.78 : x
  2. Step 2: Convert to fraction form
    47,327.76/70,981.62 = 17,747.78/x
  3. Step 3: Cross multiply
    47,327.76x = 70,981.62 × 17,747.78
  4. Step 4: Simplify right side
    47,327.76x = 1,259,765,754.34
  5. Step 5: Solve for x
    x = 1,259,765,754.34/47,327.76
  6. Step 6: Final answer
    x = 26,617.90

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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.