Home / 54,499.20-75,211.12-30,625.80

Finding the Fourth Proportional to 54,499.20, 75,211.12 and 30,625.80

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Solution

The fourth proportional to 54,499.20, 75,211.12 and 30,625.80 is: 42,264.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,499.20 : 75,211.12 = 30,625.80 : x
  2. Step 2: Convert to fraction form
    54,499.20/75,211.12 = 30,625.80/x
  3. Step 3: Cross multiply
    54,499.20x = 75,211.12 × 30,625.80
  4. Step 4: Simplify right side
    54,499.20x = 2,303,400,718.90
  5. Step 5: Solve for x
    x = 2,303,400,718.90/54,499.20
  6. Step 6: Final answer
    x = 42,264.85

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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.