Home / 45,149.04-67,678.92-21,414.96

Finding the Fourth Proportional to 45,149.04, 67,678.92 and 21,414.96

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Solution

The fourth proportional to 45,149.04, 67,678.92 and 21,414.96 is: 32,101.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,149.04 : 67,678.92 = 21,414.96 : x
  2. Step 2: Convert to fraction form
    45,149.04/67,678.92 = 21,414.96/x
  3. Step 3: Cross multiply
    45,149.04x = 67,678.92 × 21,414.96
  4. Step 4: Simplify right side
    45,149.04x = 1,449,341,364.64
  5. Step 5: Solve for x
    x = 1,449,341,364.64/45,149.04
  6. Step 6: Final answer
    x = 32,101.27

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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.