Home / 40,754.78-61,132.40-18,552.63

Finding the Fourth Proportional to 40,754.78, 61,132.40 and 18,552.63

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Solution

The fourth proportional to 40,754.78, 61,132.40 and 18,552.63 is: 27,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,754.78 : 61,132.40 = 18,552.63 : x
  2. Step 2: Convert to fraction form
    40,754.78/61,132.40 = 18,552.63/x
  3. Step 3: Cross multiply
    40,754.78x = 61,132.40 × 18,552.63
  4. Step 4: Simplify right side
    40,754.78x = 1,134,166,844.59
  5. Step 5: Solve for x
    x = 1,134,166,844.59/40,754.78
  6. Step 6: Final answer
    x = 27,829.05

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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.