Home / 53,972.66-80,887.91-30,279.75

Finding the Fourth Proportional to 53,972.66, 80,887.91 and 30,279.75

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Solution

The fourth proportional to 53,972.66, 80,887.91 and 30,279.75 is: 45,379.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,972.66 : 80,887.91 = 30,279.75 : x
  2. Step 2: Convert to fraction form
    53,972.66/80,887.91 = 30,279.75/x
  3. Step 3: Cross multiply
    53,972.66x = 80,887.91 × 30,279.75
  4. Step 4: Simplify right side
    53,972.66x = 2,449,265,541.42
  5. Step 5: Solve for x
    x = 2,449,265,541.42/53,972.66
  6. Step 6: Final answer
    x = 45,379.75

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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.