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Finding the Fourth Proportional to 40,604.91, 60,844.55 and 28,149.27

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Solution

The fourth proportional to 40,604.91, 60,844.55 and 28,149.27 is: 42,180.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,604.91 : 60,844.55 = 28,149.27 : x
  2. Step 2: Convert to fraction form
    40,604.91/60,844.55 = 28,149.27/x
  3. Step 3: Cross multiply
    40,604.91x = 60,844.55 × 28,149.27
  4. Step 4: Simplify right side
    40,604.91x = 1,712,729,525.23
  5. Step 5: Solve for x
    x = 1,712,729,525.23/40,604.91
  6. Step 6: Final answer
    x = 42,180.36

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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.