Home / 47,409.60-71,146.80-34,273.20

Finding the Fourth Proportional to 47,409.60, 71,146.80 and 34,273.20

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Solution

The fourth proportional to 47,409.60, 71,146.80 and 34,273.20 is: 51,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,409.60 : 71,146.80 = 34,273.20 : x
  2. Step 2: Convert to fraction form
    47,409.60/71,146.80 = 34,273.20/x
  3. Step 3: Cross multiply
    47,409.60x = 71,146.80 × 34,273.20
  4. Step 4: Simplify right side
    47,409.60x = 2,438,428,505.76
  5. Step 5: Solve for x
    x = 2,438,428,505.76/47,409.60
  6. Step 6: Final answer
    x = 51,433.22

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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.