Home / 77,319.79-115,997.85-24,009.04

Finding the Fourth Proportional to 77,319.79, 115,997.85 and 24,009.04

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Solution

The fourth proportional to 77,319.79, 115,997.85 and 24,009.04 is: 36,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,319.79 : 115,997.85 = 24,009.04 : x
  2. Step 2: Convert to fraction form
    77,319.79/115,997.85 = 24,009.04/x
  3. Step 3: Cross multiply
    77,319.79x = 115,997.85 × 24,009.04
  4. Step 4: Simplify right side
    77,319.79x = 2,784,997,020.56
  5. Step 5: Solve for x
    x = 2,784,997,020.56/77,319.79
  6. Step 6: Final answer
    x = 36,019.20

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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.