Home / 45,158.13-67,760.43-21,492.48

Finding the Fourth Proportional to 45,158.13, 67,760.43 and 21,492.48

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Solution

The fourth proportional to 45,158.13, 67,760.43 and 21,492.48 is: 32,249.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,158.13 : 67,760.43 = 21,492.48 : x
  2. Step 2: Convert to fraction form
    45,158.13/67,760.43 = 21,492.48/x
  3. Step 3: Cross multiply
    45,158.13x = 67,760.43 × 21,492.48
  4. Step 4: Simplify right side
    45,158.13x = 1,456,339,686.57
  5. Step 5: Solve for x
    x = 1,456,339,686.57/45,158.13
  6. Step 6: Final answer
    x = 32,249.78

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1.5x scale

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.