Home / 44,145.60-66,121.20-30,926.40

Finding the Fourth Proportional to 44,145.60, 66,121.20 and 30,926.40

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Solution

The fourth proportional to 44,145.60, 66,121.20 and 30,926.40 is: 46,321.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,145.60 : 66,121.20 = 30,926.40 : x
  2. Step 2: Convert to fraction form
    44,145.60/66,121.20 = 30,926.40/x
  3. Step 3: Cross multiply
    44,145.60x = 66,121.20 × 30,926.40
  4. Step 4: Simplify right side
    44,145.60x = 2,044,890,679.68
  5. Step 5: Solve for x
    x = 2,044,890,679.68/44,145.60
  6. Step 6: Final answer
    x = 46,321.51

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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.