Home / 41,130.93-61,688.60-20,049.79

Finding the Fourth Proportional to 41,130.93, 61,688.60 and 20,049.79

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Solution

The fourth proportional to 41,130.93, 61,688.60 and 20,049.79 is: 30,070.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,130.93 : 61,688.60 = 20,049.79 : x
  2. Step 2: Convert to fraction form
    41,130.93/61,688.60 = 20,049.79/x
  3. Step 3: Cross multiply
    41,130.93x = 61,688.60 × 20,049.79
  4. Step 4: Simplify right side
    41,130.93x = 1,236,843,066.70
  5. Step 5: Solve for x
    x = 1,236,843,066.70/41,130.93
  6. Step 6: Final answer
    x = 30,070.88

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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.