Home / 45,154.80-67,732.20-29,408.40

Finding the Fourth Proportional to 45,154.80, 67,732.20 and 29,408.40

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Solution

The fourth proportional to 45,154.80, 67,732.20 and 29,408.40 is: 44,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,154.80 : 67,732.20 = 29,408.40 : x
  2. Step 2: Convert to fraction form
    45,154.80/67,732.20 = 29,408.40/x
  3. Step 3: Cross multiply
    45,154.80x = 67,732.20 × 29,408.40
  4. Step 4: Simplify right side
    45,154.80x = 1,991,895,630.48
  5. Step 5: Solve for x
    x = 1,991,895,630.48/45,154.80
  6. Step 6: Final answer
    x = 44,112.60

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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.