Home / 29,530.68-40,751.45-16,102.20

Finding the Fourth Proportional to 29,530.68, 40,751.45 and 16,102.20

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Solution

The fourth proportional to 29,530.68, 40,751.45 and 16,102.20 is: 22,220.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,530.68 : 40,751.45 = 16,102.20 : x
  2. Step 2: Convert to fraction form
    29,530.68/40,751.45 = 16,102.20/x
  3. Step 3: Cross multiply
    29,530.68x = 40,751.45 × 16,102.20
  4. Step 4: Simplify right side
    29,530.68x = 656,187,787.04
  5. Step 5: Solve for x
    x = 656,187,787.04/29,530.68
  6. Step 6: Final answer
    x = 22,220.55

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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.