Home / 55,046.52-75,962.61-31,175.28

Finding the Fourth Proportional to 55,046.52, 75,962.61 and 31,175.28

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Solution

The fourth proportional to 55,046.52, 75,962.61 and 31,175.28 is: 43,020.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,046.52 : 75,962.61 = 31,175.28 : x
  2. Step 2: Convert to fraction form
    55,046.52/75,962.61 = 31,175.28/x
  3. Step 3: Cross multiply
    55,046.52x = 75,962.61 × 31,175.28
  4. Step 4: Simplify right side
    55,046.52x = 2,368,155,636.28
  5. Step 5: Solve for x
    x = 2,368,155,636.28/55,046.52
  6. Step 6: Final answer
    x = 43,020.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.