Home / 54,265.56-81,366.93-16,815.66

Finding the Fourth Proportional to 54,265.56, 81,366.93 and 16,815.66

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Solution

The fourth proportional to 54,265.56, 81,366.93 and 16,815.66 is: 25,213.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,265.56 : 81,366.93 = 16,815.66 : x
  2. Step 2: Convert to fraction form
    54,265.56/81,366.93 = 16,815.66/x
  3. Step 3: Cross multiply
    54,265.56x = 81,366.93 × 16,815.66
  4. Step 4: Simplify right side
    54,265.56x = 1,368,238,630.12
  5. Step 5: Solve for x
    x = 1,368,238,630.12/54,265.56
  6. Step 6: Final answer
    x = 25,213.76

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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.