Home / 64,758.08-97,132.37-20,397.52

Finding the Fourth Proportional to 64,758.08, 97,132.37 and 20,397.52

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Solution

The fourth proportional to 64,758.08, 97,132.37 and 20,397.52 is: 30,594.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,758.08 : 97,132.37 = 20,397.52 : x
  2. Step 2: Convert to fraction form
    64,758.08/97,132.37 = 20,397.52/x
  3. Step 3: Cross multiply
    64,758.08x = 97,132.37 × 20,397.52
  4. Step 4: Simplify right side
    64,758.08x = 1,981,258,974.06
  5. Step 5: Solve for x
    x = 1,981,258,974.06/64,758.08
  6. Step 6: Final answer
    x = 30,594.78

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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.