Home / 60,930.96-91,396.92-21,479.04

Finding the Fourth Proportional to 60,930.96, 91,396.92 and 21,479.04

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Solution

The fourth proportional to 60,930.96, 91,396.92 and 21,479.04 is: 32,218.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,930.96 : 91,396.92 = 21,479.04 : x
  2. Step 2: Convert to fraction form
    60,930.96/91,396.92 = 21,479.04/x
  3. Step 3: Cross multiply
    60,930.96x = 91,396.92 × 21,479.04
  4. Step 4: Simplify right side
    60,930.96x = 1,963,118,100.56
  5. Step 5: Solve for x
    x = 1,963,118,100.56/60,930.96
  6. Step 6: Final answer
    x = 32,218.73

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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.