Home / 55,761.02-83,620.40-22,469.76

Finding the Fourth Proportional to 55,761.02, 83,620.40 and 22,469.76

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Solution

The fourth proportional to 55,761.02, 83,620.40 and 22,469.76 is: 33,696.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,761.02 : 83,620.40 = 22,469.76 : x
  2. Step 2: Convert to fraction form
    55,761.02/83,620.40 = 22,469.76/x
  3. Step 3: Cross multiply
    55,761.02x = 83,620.40 × 22,469.76
  4. Step 4: Simplify right side
    55,761.02x = 1,878,930,319.10
  5. Step 5: Solve for x
    x = 1,878,930,319.10/55,761.02
  6. Step 6: Final answer
    x = 33,696.13

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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.