Home / 54,418.02-75,087.40-30,545.70

Finding the Fourth Proportional to 54,418.02, 75,087.40 and 30,545.70

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Solution

The fourth proportional to 54,418.02, 75,087.40 and 30,545.70 is: 42,147.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,418.02 : 75,087.40 = 30,545.70 : x
  2. Step 2: Convert to fraction form
    54,418.02/75,087.40 = 30,545.70/x
  3. Step 3: Cross multiply
    54,418.02x = 75,087.40 × 30,545.70
  4. Step 4: Simplify right side
    54,418.02x = 2,293,597,194.18
  5. Step 5: Solve for x
    x = 2,293,597,194.18/54,418.02
  6. Step 6: Final answer
    x = 42,147.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.