Home / 40,126.78-60,154.38-19,053.82

Finding the Fourth Proportional to 40,126.78, 60,154.38 and 19,053.82

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Solution

The fourth proportional to 40,126.78, 60,154.38 and 19,053.82 is: 28,563.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,126.78 : 60,154.38 = 19,053.82 : x
  2. Step 2: Convert to fraction form
    40,126.78/60,154.38 = 19,053.82/x
  3. Step 3: Cross multiply
    40,126.78x = 60,154.38 × 19,053.82
  4. Step 4: Simplify right side
    40,126.78x = 1,146,170,728.73
  5. Step 5: Solve for x
    x = 1,146,170,728.73/40,126.78
  6. Step 6: Final answer
    x = 28,563.74

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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.