Home / 45,238.16-67,761.48-28,589.68

Finding the Fourth Proportional to 45,238.16, 67,761.48 and 28,589.68

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Solution

The fourth proportional to 45,238.16, 67,761.48 and 28,589.68 is: 42,824.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,238.16 : 67,761.48 = 28,589.68 : x
  2. Step 2: Convert to fraction form
    45,238.16/67,761.48 = 28,589.68/x
  3. Step 3: Cross multiply
    45,238.16x = 67,761.48 × 28,589.68
  4. Step 4: Simplify right side
    45,238.16x = 1,937,279,029.53
  5. Step 5: Solve for x
    x = 1,937,279,029.53/45,238.16
  6. Step 6: Final answer
    x = 42,824.00

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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.