Home / 38,981.96-58,469.70-15,609.68

Finding the Fourth Proportional to 38,981.96, 58,469.70 and 15,609.68

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Solution

The fourth proportional to 38,981.96, 58,469.70 and 15,609.68 is: 23,413.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,981.96 : 58,469.70 = 15,609.68 : x
  2. Step 2: Convert to fraction form
    38,981.96/58,469.70 = 15,609.68/x
  3. Step 3: Cross multiply
    38,981.96x = 58,469.70 × 15,609.68
  4. Step 4: Simplify right side
    38,981.96x = 912,693,306.70
  5. Step 5: Solve for x
    x = 912,693,306.70/38,981.96
  6. Step 6: Final answer
    x = 23,413.22

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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.