Home / 40,752.97-61,170.95-28,103.53

Finding the Fourth Proportional to 40,752.97, 61,170.95 and 28,103.53

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Solution

The fourth proportional to 40,752.97, 61,170.95 and 28,103.53 is: 42,183.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,752.97 : 61,170.95 = 28,103.53 : x
  2. Step 2: Convert to fraction form
    40,752.97/61,170.95 = 28,103.53/x
  3. Step 3: Cross multiply
    40,752.97x = 61,170.95 × 28,103.53
  4. Step 4: Simplify right side
    40,752.97x = 1,719,119,628.45
  5. Step 5: Solve for x
    x = 1,719,119,628.45/40,752.97
  6. Step 6: Final answer
    x = 42,183.91

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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.