Home / 47,575.17-65,504.23-40,390.18

Finding the Fourth Proportional to 47,575.17, 65,504.23 and 40,390.18

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Solution

The fourth proportional to 47,575.17, 65,504.23 and 40,390.18 is: 55,611.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,575.17 : 65,504.23 = 40,390.18 : x
  2. Step 2: Convert to fraction form
    47,575.17/65,504.23 = 40,390.18/x
  3. Step 3: Cross multiply
    47,575.17x = 65,504.23 × 40,390.18
  4. Step 4: Simplify right side
    47,575.17x = 2,645,727,375.73
  5. Step 5: Solve for x
    x = 2,645,727,375.73/47,575.17
  6. Step 6: Final answer
    x = 55,611.52

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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.