Home / 47,731.20-71,596.80-36,693.60

Finding the Fourth Proportional to 47,731.20, 71,596.80 and 36,693.60

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Solution

The fourth proportional to 47,731.20, 71,596.80 and 36,693.60 is: 55,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,731.20 : 71,596.80 = 36,693.60 : x
  2. Step 2: Convert to fraction form
    47,731.20/71,596.80 = 36,693.60/x
  3. Step 3: Cross multiply
    47,731.20x = 71,596.80 × 36,693.60
  4. Step 4: Simplify right side
    47,731.20x = 2,627,144,340.48
  5. Step 5: Solve for x
    x = 2,627,144,340.48/47,731.20
  6. Step 6: Final answer
    x = 55,040.40

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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.