Home / 36,282.64-54,423.69-19,747.78

Finding the Fourth Proportional to 36,282.64, 54,423.69 and 19,747.78

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Solution

The fourth proportional to 36,282.64, 54,423.69 and 19,747.78 is: 29,621.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,282.64 : 54,423.69 = 19,747.78 : x
  2. Step 2: Convert to fraction form
    36,282.64/54,423.69 = 19,747.78/x
  3. Step 3: Cross multiply
    36,282.64x = 54,423.69 × 19,747.78
  4. Step 4: Simplify right side
    36,282.64x = 1,074,747,056.91
  5. Step 5: Solve for x
    x = 1,074,747,056.91/36,282.64
  6. Step 6: Final answer
    x = 29,621.52

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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.