Home / 32,621.92-44,987.28-21,891.04

Finding the Fourth Proportional to 32,621.92, 44,987.28 and 21,891.04

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Solution

The fourth proportional to 32,621.92, 44,987.28 and 21,891.04 is: 30,188.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,621.92 : 44,987.28 = 21,891.04 : x
  2. Step 2: Convert to fraction form
    32,621.92/44,987.28 = 21,891.04/x
  3. Step 3: Cross multiply
    32,621.92x = 44,987.28 × 21,891.04
  4. Step 4: Simplify right side
    32,621.92x = 984,818,345.97
  5. Step 5: Solve for x
    x = 984,818,345.97/32,621.92
  6. Step 6: Final answer
    x = 30,188.85

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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.