Home / 54,172.39-81,237.52-18,626.96

Finding the Fourth Proportional to 54,172.39, 81,237.52 and 18,626.96

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Solution

The fourth proportional to 54,172.39, 81,237.52 and 18,626.96 is: 27,933.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,172.39 : 81,237.52 = 18,626.96 : x
  2. Step 2: Convert to fraction form
    54,172.39/81,237.52 = 18,626.96/x
  3. Step 3: Cross multiply
    54,172.39x = 81,237.52 × 18,626.96
  4. Step 4: Simplify right side
    54,172.39x = 1,513,207,536.22
  5. Step 5: Solve for x
    x = 1,513,207,536.22/54,172.39
  6. Step 6: Final answer
    x = 27,933.19

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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.