Home / 47,901.78-71,778.83-30,334.70

Finding the Fourth Proportional to 47,901.78, 71,778.83 and 30,334.70

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Solution

The fourth proportional to 47,901.78, 71,778.83 and 30,334.70 is: 45,455.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,901.78 : 71,778.83 = 30,334.70 : x
  2. Step 2: Convert to fraction form
    47,901.78/71,778.83 = 30,334.70/x
  3. Step 3: Cross multiply
    47,901.78x = 71,778.83 × 30,334.70
  4. Step 4: Simplify right side
    47,901.78x = 2,177,389,302.17
  5. Step 5: Solve for x
    x = 2,177,389,302.17/47,901.78
  6. Step 6: Final answer
    x = 45,455.29

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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.