Home / 48,729.32-73,112.67-17,142.66

Finding the Fourth Proportional to 48,729.32, 73,112.67 and 17,142.66

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Solution

The fourth proportional to 48,729.32, 73,112.67 and 17,142.66 is: 25,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,729.32 : 73,112.67 = 17,142.66 : x
  2. Step 2: Convert to fraction form
    48,729.32/73,112.67 = 17,142.66/x
  3. Step 3: Cross multiply
    48,729.32x = 73,112.67 × 17,142.66
  4. Step 4: Simplify right side
    48,729.32x = 1,253,345,643.50
  5. Step 5: Solve for x
    x = 1,253,345,643.50/48,729.32
  6. Step 6: Final answer
    x = 25,720.57

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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.