Home / 45,149.32-67,726.41-18,827.56

Finding the Fourth Proportional to 45,149.32, 67,726.41 and 18,827.56

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Solution

The fourth proportional to 45,149.32, 67,726.41 and 18,827.56 is: 28,242.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,149.32 : 67,726.41 = 18,827.56 : x
  2. Step 2: Convert to fraction form
    45,149.32/67,726.41 = 18,827.56/x
  3. Step 3: Cross multiply
    45,149.32x = 67,726.41 × 18,827.56
  4. Step 4: Simplify right side
    45,149.32x = 1,275,123,047.86
  5. Step 5: Solve for x
    x = 1,275,123,047.86/45,149.32
  6. Step 6: Final answer
    x = 28,242.35

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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.