Home / 45,020.92-67,534.70-15,438.52

Finding the Fourth Proportional to 45,020.92, 67,534.70 and 15,438.52

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Solution

The fourth proportional to 45,020.92, 67,534.70 and 15,438.52 is: 23,158.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,020.92 : 67,534.70 = 15,438.52 : x
  2. Step 2: Convert to fraction form
    45,020.92/67,534.70 = 15,438.52/x
  3. Step 3: Cross multiply
    45,020.92x = 67,534.70 × 15,438.52
  4. Step 4: Simplify right side
    45,020.92x = 1,042,635,816.64
  5. Step 5: Solve for x
    x = 1,042,635,816.64/45,020.92
  6. Step 6: Final answer
    x = 23,158.92

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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.