Home / 38,706.68-53,420.16-22,792.61

Finding the Fourth Proportional to 38,706.68, 53,420.16 and 22,792.61

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Solution

The fourth proportional to 38,706.68, 53,420.16 and 22,792.61 is: 31,456.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,706.68 : 53,420.16 = 22,792.61 : x
  2. Step 2: Convert to fraction form
    38,706.68/53,420.16 = 22,792.61/x
  3. Step 3: Cross multiply
    38,706.68x = 53,420.16 × 22,792.61
  4. Step 4: Simplify right side
    38,706.68x = 1,217,584,873.02
  5. Step 5: Solve for x
    x = 1,217,584,873.02/38,706.68
  6. Step 6: Final answer
    x = 31,456.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.