Home / 54,934.32-82,401.46-19,865.78

Finding the Fourth Proportional to 54,934.32, 82,401.46 and 19,865.78

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Solution

The fourth proportional to 54,934.32, 82,401.46 and 19,865.78 is: 29,798.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,934.32 : 82,401.46 = 19,865.78 : x
  2. Step 2: Convert to fraction form
    54,934.32/82,401.46 = 19,865.78/x
  3. Step 3: Cross multiply
    54,934.32x = 82,401.46 × 19,865.78
  4. Step 4: Simplify right side
    54,934.32x = 1,636,969,276.04
  5. Step 5: Solve for x
    x = 1,636,969,276.04/54,934.32
  6. Step 6: Final answer
    x = 29,798.66

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1.5x scale

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.