Home / 45,331.50-67,999.68-14,169.18

Finding the Fourth Proportional to 45,331.50, 67,999.68 and 14,169.18

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Solution

The fourth proportional to 45,331.50, 67,999.68 and 14,169.18 is: 21,254.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,331.50 : 67,999.68 = 14,169.18 : x
  2. Step 2: Convert to fraction form
    45,331.50/67,999.68 = 14,169.18/x
  3. Step 3: Cross multiply
    45,331.50x = 67,999.68 × 14,169.18
  4. Step 4: Simplify right side
    45,331.50x = 963,499,705.86
  5. Step 5: Solve for x
    x = 963,499,705.86/45,331.50
  6. Step 6: Final answer
    x = 21,254.53

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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.