Home / 54,135.60-81,198.16-16,685.62

Finding the Fourth Proportional to 54,135.60, 81,198.16 and 16,685.62

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Solution

The fourth proportional to 54,135.60, 81,198.16 and 16,685.62 is: 25,026.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,135.60 : 81,198.16 = 16,685.62 : x
  2. Step 2: Convert to fraction form
    54,135.60/81,198.16 = 16,685.62/x
  3. Step 3: Cross multiply
    54,135.60x = 81,198.16 × 16,685.62
  4. Step 4: Simplify right side
    54,135.60x = 1,354,841,642.46
  5. Step 5: Solve for x
    x = 1,354,841,642.46/54,135.60
  6. Step 6: Final answer
    x = 25,026.81

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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.