Home / 60,439.20-90,566.40-40,644.48

Finding the Fourth Proportional to 60,439.20, 90,566.40 and 40,644.48

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Solution

The fourth proportional to 60,439.20, 90,566.40 and 40,644.48 is: 60,904.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,439.20 : 90,566.40 = 40,644.48 : x
  2. Step 2: Convert to fraction form
    60,439.20/90,566.40 = 40,644.48/x
  3. Step 3: Cross multiply
    60,439.20x = 90,566.40 × 40,644.48
  4. Step 4: Simplify right side
    60,439.20x = 3,681,024,233.47
  5. Step 5: Solve for x
    x = 3,681,024,233.47/60,439.20
  6. Step 6: Final answer
    x = 60,904.58

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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.