Home / 54,248.54-81,384.42-16,807.78

Finding the Fourth Proportional to 54,248.54, 81,384.42 and 16,807.78

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Solution

The fourth proportional to 54,248.54, 81,384.42 and 16,807.78 is: 25,215.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,248.54 : 81,384.42 = 16,807.78 : x
  2. Step 2: Convert to fraction form
    54,248.54/81,384.42 = 16,807.78/x
  3. Step 3: Cross multiply
    54,248.54x = 81,384.42 × 16,807.78
  4. Step 4: Simplify right side
    54,248.54x = 1,367,891,315.38
  5. Step 5: Solve for x
    x = 1,367,891,315.38/54,248.54
  6. Step 6: Final answer
    x = 25,215.27

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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.