Home / 67,621.55-101,441.55-28,169.44

Finding the Fourth Proportional to 67,621.55, 101,441.55 and 28,169.44

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Solution

The fourth proportional to 67,621.55, 101,441.55 and 28,169.44 is: 42,258.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,621.55 : 101,441.55 = 28,169.44 : x
  2. Step 2: Convert to fraction form
    67,621.55/101,441.55 = 28,169.44/x
  3. Step 3: Cross multiply
    67,621.55x = 101,441.55 × 28,169.44
  4. Step 4: Simplify right side
    67,621.55x = 2,857,551,508.26
  5. Step 5: Solve for x
    x = 2,857,551,508.26/67,621.55
  6. Step 6: Final answer
    x = 42,258.00

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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.