Home / 55,959.20-77,052.68-42,181.55

Finding the Fourth Proportional to 55,959.20, 77,052.68 and 42,181.55

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Solution

The fourth proportional to 55,959.20, 77,052.68 and 42,181.55 is: 58,081.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,959.20 : 77,052.68 = 42,181.55 : x
  2. Step 2: Convert to fraction form
    55,959.20/77,052.68 = 42,181.55/x
  3. Step 3: Cross multiply
    55,959.20x = 77,052.68 × 42,181.55
  4. Step 4: Simplify right side
    55,959.20x = 3,250,200,877.88
  5. Step 5: Solve for x
    x = 3,250,200,877.88/55,959.20
  6. Step 6: Final answer
    x = 58,081.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.