Home / 56,914.38-85,387.77-19,479.42

Finding the Fourth Proportional to 56,914.38, 85,387.77 and 19,479.42

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Solution

The fourth proportional to 56,914.38, 85,387.77 and 19,479.42 is: 29,224.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,914.38 : 85,387.77 = 19,479.42 : x
  2. Step 2: Convert to fraction form
    56,914.38/85,387.77 = 19,479.42/x
  3. Step 3: Cross multiply
    56,914.38x = 85,387.77 × 19,479.42
  4. Step 4: Simplify right side
    56,914.38x = 1,663,304,234.69
  5. Step 5: Solve for x
    x = 1,663,304,234.69/56,914.38
  6. Step 6: Final answer
    x = 29,224.67

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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.