Home / 41,000.30-61,500.45-28,315.70

Finding the Fourth Proportional to 41,000.30, 61,500.45 and 28,315.70

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Solution

The fourth proportional to 41,000.30, 61,500.45 and 28,315.70 is: 42,473.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,000.30 : 61,500.45 = 28,315.70 : x
  2. Step 2: Convert to fraction form
    41,000.30/61,500.45 = 28,315.70/x
  3. Step 3: Cross multiply
    41,000.30x = 61,500.45 × 28,315.70
  4. Step 4: Simplify right side
    41,000.30x = 1,741,428,292.07
  5. Step 5: Solve for x
    x = 1,741,428,292.07/41,000.30
  6. Step 6: Final answer
    x = 42,473.55

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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.