Home / 54,213.60-81,319.86-14,770.20

Finding the Fourth Proportional to 54,213.60, 81,319.86 and 14,770.20

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Solution

The fourth proportional to 54,213.60, 81,319.86 and 14,770.20 is: 22,155.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,213.60 : 81,319.86 = 14,770.20 : x
  2. Step 2: Convert to fraction form
    54,213.60/81,319.86 = 14,770.20/x
  3. Step 3: Cross multiply
    54,213.60x = 81,319.86 × 14,770.20
  4. Step 4: Simplify right side
    54,213.60x = 1,201,110,596.17
  5. Step 5: Solve for x
    x = 1,201,110,596.17/54,213.60
  6. Step 6: Final answer
    x = 22,155.15

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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.