Home / 65,767.28-98,661.26-21,383.65

Finding the Fourth Proportional to 65,767.28, 98,661.26 and 21,383.65

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Solution

The fourth proportional to 65,767.28, 98,661.26 and 21,383.65 is: 32,078.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,767.28 : 98,661.26 = 21,383.65 : x
  2. Step 2: Convert to fraction form
    65,767.28/98,661.26 = 21,383.65/x
  3. Step 3: Cross multiply
    65,767.28x = 98,661.26 × 21,383.65
  4. Step 4: Simplify right side
    65,767.28x = 2,109,737,498.83
  5. Step 5: Solve for x
    x = 2,109,737,498.83/65,767.28
  6. Step 6: Final answer
    x = 32,078.83

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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.