Home / 55,278.96-82,892.52-20,194.08

Finding the Fourth Proportional to 55,278.96, 82,892.52 and 20,194.08

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Solution

The fourth proportional to 55,278.96, 82,892.52 and 20,194.08 is: 30,281.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,278.96 : 82,892.52 = 20,194.08 : x
  2. Step 2: Convert to fraction form
    55,278.96/82,892.52 = 20,194.08/x
  3. Step 3: Cross multiply
    55,278.96x = 82,892.52 × 20,194.08
  4. Step 4: Simplify right side
    55,278.96x = 1,673,938,180.28
  5. Step 5: Solve for x
    x = 1,673,938,180.28/55,278.96
  6. Step 6: Final answer
    x = 30,281.65

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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.