Home / 72,837.75-109,230.18-25,439.55

Finding the Fourth Proportional to 72,837.75, 109,230.18 and 25,439.55

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Solution

The fourth proportional to 72,837.75, 109,230.18 and 25,439.55 is: 38,150.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,837.75 : 109,230.18 = 25,439.55 : x
  2. Step 2: Convert to fraction form
    72,837.75/109,230.18 = 25,439.55/x
  3. Step 3: Cross multiply
    72,837.75x = 109,230.18 × 25,439.55
  4. Step 4: Simplify right side
    72,837.75x = 2,778,766,625.62
  5. Step 5: Solve for x
    x = 2,778,766,625.62/72,837.75
  6. Step 6: Final answer
    x = 38,150.09

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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.