Home / 40,785.78-61,189.60-32,497.04

Finding the Fourth Proportional to 40,785.78, 61,189.60 and 32,497.04

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Solution

The fourth proportional to 40,785.78, 61,189.60 and 32,497.04 is: 48,754.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,785.78 : 61,189.60 = 32,497.04 : x
  2. Step 2: Convert to fraction form
    40,785.78/61,189.60 = 32,497.04/x
  3. Step 3: Cross multiply
    40,785.78x = 61,189.60 × 32,497.04
  4. Step 4: Simplify right side
    40,785.78x = 1,988,480,878.78
  5. Step 5: Solve for x
    x = 1,988,480,878.78/40,785.78
  6. Step 6: Final answer
    x = 48,754.27

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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.