Home / 66,518.15-99,717.89-24,388.40

Finding the Fourth Proportional to 66,518.15, 99,717.89 and 24,388.40

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Solution

The fourth proportional to 66,518.15, 99,717.89 and 24,388.40 is: 36,560.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,518.15 : 99,717.89 = 24,388.40 : x
  2. Step 2: Convert to fraction form
    66,518.15/99,717.89 = 24,388.40/x
  3. Step 3: Cross multiply
    66,518.15x = 99,717.89 × 24,388.40
  4. Step 4: Simplify right side
    66,518.15x = 2,431,959,167.94
  5. Step 5: Solve for x
    x = 2,431,959,167.94/66,518.15
  6. Step 6: Final answer
    x = 36,560.83

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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.