Home / 40,785.24-61,177.80-11,203.20

Finding the Fourth Proportional to 40,785.24, 61,177.80 and 11,203.20

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Solution

The fourth proportional to 40,785.24, 61,177.80 and 11,203.20 is: 16,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,785.24 : 61,177.80 = 11,203.20 : x
  2. Step 2: Convert to fraction form
    40,785.24/61,177.80 = 11,203.20/x
  3. Step 3: Cross multiply
    40,785.24x = 61,177.80 × 11,203.20
  4. Step 4: Simplify right side
    40,785.24x = 685,387,128.96
  5. Step 5: Solve for x
    x = 685,387,128.96/40,785.24
  6. Step 6: Final answer
    x = 16,804.78

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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.