Home / 54,248.42-81,368.58-16,808.78

Finding the Fourth Proportional to 54,248.42, 81,368.58 and 16,808.78

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Solution

The fourth proportional to 54,248.42, 81,368.58 and 16,808.78 is: 25,211.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,248.42 : 81,368.58 = 16,808.78 : x
  2. Step 2: Convert to fraction form
    54,248.42/81,368.58 = 16,808.78/x
  3. Step 3: Cross multiply
    54,248.42x = 81,368.58 × 16,808.78
  4. Step 4: Simplify right side
    54,248.42x = 1,367,706,805.58
  5. Step 5: Solve for x
    x = 1,367,706,805.58/54,248.42
  6. Step 6: Final answer
    x = 25,211.92

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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.