Home / 49,340.68-74,020.15-15,615.19

Finding the Fourth Proportional to 49,340.68, 74,020.15 and 15,615.19

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Solution

The fourth proportional to 49,340.68, 74,020.15 and 15,615.19 is: 23,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,340.68 : 74,020.15 = 15,615.19 : x
  2. Step 2: Convert to fraction form
    49,340.68/74,020.15 = 15,615.19/x
  3. Step 3: Cross multiply
    49,340.68x = 74,020.15 × 15,615.19
  4. Step 4: Simplify right side
    49,340.68x = 1,155,838,335.98
  5. Step 5: Solve for x
    x = 1,155,838,335.98/49,340.68
  6. Step 6: Final answer
    x = 23,425.67

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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.