Home / 52,001.20-78,078.60-40,327.60

Finding the Fourth Proportional to 52,001.20, 78,078.60 and 40,327.60

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Solution

The fourth proportional to 52,001.20, 78,078.60 and 40,327.60 is: 60,550.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,001.20 : 78,078.60 = 40,327.60 : x
  2. Step 2: Convert to fraction form
    52,001.20/78,078.60 = 40,327.60/x
  3. Step 3: Cross multiply
    52,001.20x = 78,078.60 × 40,327.60
  4. Step 4: Simplify right side
    52,001.20x = 3,148,722,549.36
  5. Step 5: Solve for x
    x = 3,148,722,549.36/52,001.20
  6. Step 6: Final answer
    x = 60,550.96

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1.5x scale

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.