Home / 54,211.61-81,321.53-16,775.47

Finding the Fourth Proportional to 54,211.61, 81,321.53 and 16,775.47

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Solution

The fourth proportional to 54,211.61, 81,321.53 and 16,775.47 is: 25,164.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,211.61 : 81,321.53 = 16,775.47 : x
  2. Step 2: Convert to fraction form
    54,211.61/81,321.53 = 16,775.47/x
  3. Step 3: Cross multiply
    54,211.61x = 81,321.53 × 16,775.47
  4. Step 4: Simplify right side
    54,211.61x = 1,364,206,396.38
  5. Step 5: Solve for x
    x = 1,364,206,396.38/54,211.61
  6. Step 6: Final answer
    x = 25,164.47

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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.