Home / 67,621.77-101,441.88-28,169.65

Finding the Fourth Proportional to 67,621.77, 101,441.88 and 28,169.65

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Solution

The fourth proportional to 67,621.77, 101,441.88 and 28,169.65 is: 42,258.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,621.77 : 101,441.88 = 28,169.65 : x
  2. Step 2: Convert to fraction form
    67,621.77/101,441.88 = 28,169.65/x
  3. Step 3: Cross multiply
    67,621.77x = 101,441.88 × 28,169.65
  4. Step 4: Simplify right side
    67,621.77x = 2,857,582,254.94
  5. Step 5: Solve for x
    x = 2,857,582,254.94/67,621.77
  6. Step 6: Final answer
    x = 42,258.32

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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.