Home / 65,535.36-98,306.72-18,787

Finding the Fourth Proportional to 65,535.36, 98,306.72 and 18,787

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Solution

The fourth proportional to 65,535.36, 98,306.72 and 18,787 is: 28,181.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,535.36 : 98,306.72 = 18,787 : x
  2. Step 2: Convert to fraction form
    65,535.36/98,306.72 = 18,787/x
  3. Step 3: Cross multiply
    65,535.36x = 98,306.72 × 18,787
  4. Step 4: Simplify right side
    65,535.36x = 1,846,888,348.64
  5. Step 5: Solve for x
    x = 1,846,888,348.64/65,535.36
  6. Step 6: Final answer
    x = 28,181.55

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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.