Home / 54,077.78-81,116.67-20,350.14

Finding the Fourth Proportional to 54,077.78, 81,116.67 and 20,350.14

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Solution

The fourth proportional to 54,077.78, 81,116.67 and 20,350.14 is: 30,525.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,077.78 : 81,116.67 = 20,350.14 : x
  2. Step 2: Convert to fraction form
    54,077.78/81,116.67 = 20,350.14/x
  3. Step 3: Cross multiply
    54,077.78x = 81,116.67 × 20,350.14
  4. Step 4: Simplify right side
    54,077.78x = 1,650,735,590.83
  5. Step 5: Solve for x
    x = 1,650,735,590.83/54,077.78
  6. Step 6: Final answer
    x = 30,525.21

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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.