Home / 31,792.50-47,667.69-15,155.10

Finding the Fourth Proportional to 31,792.50, 47,667.69 and 15,155.10

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Solution

The fourth proportional to 31,792.50, 47,667.69 and 15,155.10 is: 22,722.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,792.50 : 47,667.69 = 15,155.10 : x
  2. Step 2: Convert to fraction form
    31,792.50/47,667.69 = 15,155.10/x
  3. Step 3: Cross multiply
    31,792.50x = 47,667.69 × 15,155.10
  4. Step 4: Simplify right side
    31,792.50x = 722,408,608.72
  5. Step 5: Solve for x
    x = 722,408,608.72/31,792.50
  6. Step 6: Final answer
    x = 22,722.61

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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.