Home / 65,516.24-98,257.32-18,758.18

Finding the Fourth Proportional to 65,516.24, 98,257.32 and 18,758.18

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Solution

The fourth proportional to 65,516.24, 98,257.32 and 18,758.18 is: 28,132.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,516.24 : 98,257.32 = 18,758.18 : x
  2. Step 2: Convert to fraction form
    65,516.24/98,257.32 = 18,758.18/x
  3. Step 3: Cross multiply
    65,516.24x = 98,257.32 × 18,758.18
  4. Step 4: Simplify right side
    65,516.24x = 1,843,128,494.88
  5. Step 5: Solve for x
    x = 1,843,128,494.88/65,516.24
  6. Step 6: Final answer
    x = 28,132.39

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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.