Home / 40,122.18-60,127.38-33,185.70

Finding the Fourth Proportional to 40,122.18, 60,127.38 and 33,185.70

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Solution

The fourth proportional to 40,122.18, 60,127.38 and 33,185.70 is: 49,732.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,122.18 : 60,127.38 = 33,185.70 : x
  2. Step 2: Convert to fraction form
    40,122.18/60,127.38 = 33,185.70/x
  3. Step 3: Cross multiply
    40,122.18x = 60,127.38 × 33,185.70
  4. Step 4: Simplify right side
    40,122.18x = 1,995,369,194.47
  5. Step 5: Solve for x
    x = 1,995,369,194.47/40,122.18
  6. Step 6: Final answer
    x = 49,732.32

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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.