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Finding the Fourth Proportional to 60,012.25, 89,998.59 and 20,020.21

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Solution

The fourth proportional to 60,012.25, 89,998.59 and 20,020.21 is: 30,023.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,012.25 : 89,998.59 = 20,020.21 : x
  2. Step 2: Convert to fraction form
    60,012.25/89,998.59 = 20,020.21/x
  3. Step 3: Cross multiply
    60,012.25x = 89,998.59 × 20,020.21
  4. Step 4: Simplify right side
    60,012.25x = 1,801,790,671.50
  5. Step 5: Solve for x
    x = 1,801,790,671.50/60,012.25
  6. Step 6: Final answer
    x = 30,023.71

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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.