Home / 45,013.20-67,528-15,434.02

Finding the Fourth Proportional to 45,013.20, 67,528 and 15,434.02

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Solution

The fourth proportional to 45,013.20, 67,528 and 15,434.02 is: 23,153.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,013.20 : 67,528 = 15,434.02 : x
  2. Step 2: Convert to fraction form
    45,013.20/67,528 = 15,434.02/x
  3. Step 3: Cross multiply
    45,013.20x = 67,528 × 15,434.02
  4. Step 4: Simplify right side
    45,013.20x = 1,042,228,502.56
  5. Step 5: Solve for x
    x = 1,042,228,502.56/45,013.20
  6. Step 6: Final answer
    x = 23,153.84

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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.