Home / 48,271.11-66,611.38-28,131.27

Finding the Fourth Proportional to 48,271.11, 66,611.38 and 28,131.27

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Solution

The fourth proportional to 48,271.11, 66,611.38 and 28,131.27 is: 38,819.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,271.11 : 66,611.38 = 28,131.27 : x
  2. Step 2: Convert to fraction form
    48,271.11/66,611.38 = 28,131.27/x
  3. Step 3: Cross multiply
    48,271.11x = 66,611.38 × 28,131.27
  4. Step 4: Simplify right side
    48,271.11x = 1,873,862,715.85
  5. Step 5: Solve for x
    x = 1,873,862,715.85/48,271.11
  6. Step 6: Final answer
    x = 38,819.55

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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.