Home / 40,143.20-60,222.24-17,957.44

Finding the Fourth Proportional to 40,143.20, 60,222.24 and 17,957.44

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Solution

The fourth proportional to 40,143.20, 60,222.24 and 17,957.44 is: 26,939.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,143.20 : 60,222.24 = 17,957.44 : x
  2. Step 2: Convert to fraction form
    40,143.20/60,222.24 = 17,957.44/x
  3. Step 3: Cross multiply
    40,143.20x = 60,222.24 × 17,957.44
  4. Step 4: Simplify right side
    40,143.20x = 1,081,437,261.47
  5. Step 5: Solve for x
    x = 1,081,437,261.47/40,143.20
  6. Step 6: Final answer
    x = 26,939.49

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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.