Home / 45,581.13-68,392.23-28,936.71

Finding the Fourth Proportional to 45,581.13, 68,392.23 and 28,936.71

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Solution

The fourth proportional to 45,581.13, 68,392.23 and 28,936.71 is: 43,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,581.13 : 68,392.23 = 28,936.71 : x
  2. Step 2: Convert to fraction form
    45,581.13/68,392.23 = 28,936.71/x
  3. Step 3: Cross multiply
    45,581.13x = 68,392.23 × 28,936.71
  4. Step 4: Simplify right side
    45,581.13x = 1,979,046,125.76
  5. Step 5: Solve for x
    x = 1,979,046,125.76/45,581.13
  6. Step 6: Final answer
    x = 43,418.10

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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.