Home / 54,188.40-81,290.16-16,751.52

Finding the Fourth Proportional to 54,188.40, 81,290.16 and 16,751.52

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Solution

The fourth proportional to 54,188.40, 81,290.16 and 16,751.52 is: 25,129.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,188.40 : 81,290.16 = 16,751.52 : x
  2. Step 2: Convert to fraction form
    54,188.40/81,290.16 = 16,751.52/x
  3. Step 3: Cross multiply
    54,188.40x = 81,290.16 × 16,751.52
  4. Step 4: Simplify right side
    54,188.40x = 1,361,733,741.04
  5. Step 5: Solve for x
    x = 1,361,733,741.04/54,188.40
  6. Step 6: Final answer
    x = 25,129.62

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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.