Home / 54,932.32-82,398.46-19,863.78

Finding the Fourth Proportional to 54,932.32, 82,398.46 and 19,863.78

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Solution

The fourth proportional to 54,932.32, 82,398.46 and 19,863.78 is: 29,795.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,932.32 : 82,398.46 = 19,863.78 : x
  2. Step 2: Convert to fraction form
    54,932.32/82,398.46 = 19,863.78/x
  3. Step 3: Cross multiply
    54,932.32x = 82,398.46 × 19,863.78
  4. Step 4: Simplify right side
    54,932.32x = 1,636,744,881.78
  5. Step 5: Solve for x
    x = 1,636,744,881.78/54,932.32
  6. Step 6: Final answer
    x = 29,795.66

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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.