Home / 40,772.06-61,078.49-28,091.90

Finding the Fourth Proportional to 40,772.06, 61,078.49 and 28,091.90

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Solution

The fourth proportional to 40,772.06, 61,078.49 and 28,091.90 is: 42,083.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,772.06 : 61,078.49 = 28,091.90 : x
  2. Step 2: Convert to fraction form
    40,772.06/61,078.49 = 28,091.90/x
  3. Step 3: Cross multiply
    40,772.06x = 61,078.49 × 28,091.90
  4. Step 4: Simplify right side
    40,772.06x = 1,715,810,833.23
  5. Step 5: Solve for x
    x = 1,715,810,833.23/40,772.06
  6. Step 6: Final answer
    x = 42,083.01

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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.