Home / 49,340.96-74,020.57-15,615.47

Finding the Fourth Proportional to 49,340.96, 74,020.57 and 15,615.47

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Solution

The fourth proportional to 49,340.96, 74,020.57 and 15,615.47 is: 23,426.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,340.96 : 74,020.57 = 15,615.47 : x
  2. Step 2: Convert to fraction form
    49,340.96/74,020.57 = 15,615.47/x
  3. Step 3: Cross multiply
    49,340.96x = 74,020.57 × 15,615.47
  4. Step 4: Simplify right side
    49,340.96x = 1,155,865,990.22
  5. Step 5: Solve for x
    x = 1,155,865,990.22/49,340.96
  6. Step 6: Final answer
    x = 23,426.09

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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.