Home / 32,920.80-49,381.20-27,015.90

Finding the Fourth Proportional to 32,920.80, 49,381.20 and 27,015.90

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Solution

The fourth proportional to 32,920.80, 49,381.20 and 27,015.90 is: 40,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,920.80 : 49,381.20 = 27,015.90 : x
  2. Step 2: Convert to fraction form
    32,920.80/49,381.20 = 27,015.90/x
  3. Step 3: Cross multiply
    32,920.80x = 49,381.20 × 27,015.90
  4. Step 4: Simplify right side
    32,920.80x = 1,334,077,561.08
  5. Step 5: Solve for x
    x = 1,334,077,561.08/32,920.80
  6. Step 6: Final answer
    x = 40,523.85

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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.