Home / 55,429.16-83,131.56-15,977.70

Finding the Fourth Proportional to 55,429.16, 83,131.56 and 15,977.70

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Solution

The fourth proportional to 55,429.16, 83,131.56 and 15,977.70 is: 23,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,429.16 : 83,131.56 = 15,977.70 : x
  2. Step 2: Convert to fraction form
    55,429.16/83,131.56 = 15,977.70/x
  3. Step 3: Cross multiply
    55,429.16x = 83,131.56 × 15,977.70
  4. Step 4: Simplify right side
    55,429.16x = 1,328,251,126.21
  5. Step 5: Solve for x
    x = 1,328,251,126.21/55,429.16
  6. Step 6: Final answer
    x = 23,963.04

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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.