Home / 53,952.20-80,928.30-40,830.20

Finding the Fourth Proportional to 53,952.20, 80,928.30 and 40,830.20

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Solution

The fourth proportional to 53,952.20, 80,928.30 and 40,830.20 is: 61,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,952.20 : 80,928.30 = 40,830.20 : x
  2. Step 2: Convert to fraction form
    53,952.20/80,928.30 = 40,830.20/x
  3. Step 3: Cross multiply
    53,952.20x = 80,928.30 × 40,830.20
  4. Step 4: Simplify right side
    53,952.20x = 3,304,318,674.66
  5. Step 5: Solve for x
    x = 3,304,318,674.66/53,952.20
  6. Step 6: Final answer
    x = 61,245.30

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Similar ratio
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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.