Home / 54,429.57-81,618.84-18,883.53

Finding the Fourth Proportional to 54,429.57, 81,618.84 and 18,883.53

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Solution

The fourth proportional to 54,429.57, 81,618.84 and 18,883.53 is: 28,316.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,429.57 : 81,618.84 = 18,883.53 : x
  2. Step 2: Convert to fraction form
    54,429.57/81,618.84 = 18,883.53/x
  3. Step 3: Cross multiply
    54,429.57x = 81,618.84 × 18,883.53
  4. Step 4: Simplify right side
    54,429.57x = 1,541,251,813.71
  5. Step 5: Solve for x
    x = 1,541,251,813.71/54,429.57
  6. Step 6: Final answer
    x = 28,316.44

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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.