Home / 65,558.78-98,327.28-18,178.74

Finding the Fourth Proportional to 65,558.78, 98,327.28 and 18,178.74

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Solution

The fourth proportional to 65,558.78, 98,327.28 and 18,178.74 is: 27,265.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,558.78 : 98,327.28 = 18,178.74 : x
  2. Step 2: Convert to fraction form
    65,558.78/98,327.28 = 18,178.74/x
  3. Step 3: Cross multiply
    65,558.78x = 98,327.28 × 18,178.74
  4. Step 4: Simplify right side
    65,558.78x = 1,787,466,126.20
  5. Step 5: Solve for x
    x = 1,787,466,126.20/65,558.78
  6. Step 6: Final answer
    x = 27,265.09

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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.