Home / 45,315.20-67,841.44-29,503.20

Finding the Fourth Proportional to 45,315.20, 67,841.44 and 29,503.20

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Solution

The fourth proportional to 45,315.20, 67,841.44 and 29,503.20 is: 44,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,315.20 : 67,841.44 = 29,503.20 : x
  2. Step 2: Convert to fraction form
    45,315.20/67,841.44 = 29,503.20/x
  3. Step 3: Cross multiply
    45,315.20x = 67,841.44 × 29,503.20
  4. Step 4: Simplify right side
    45,315.20x = 2,001,539,572.61
  5. Step 5: Solve for x
    x = 2,001,539,572.61/45,315.20
  6. Step 6: Final answer
    x = 44,169.28

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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.