Home / 39,788.60-54,905.59-22,792.91

Finding the Fourth Proportional to 39,788.60, 54,905.59 and 22,792.91

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Solution

The fourth proportional to 39,788.60, 54,905.59 and 22,792.91 is: 31,452.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,788.60 : 54,905.59 = 22,792.91 : x
  2. Step 2: Convert to fraction form
    39,788.60/54,905.59 = 22,792.91/x
  3. Step 3: Cross multiply
    39,788.60x = 54,905.59 × 22,792.91
  4. Step 4: Simplify right side
    39,788.60x = 1,251,458,171.37
  5. Step 5: Solve for x
    x = 1,251,458,171.37/39,788.60
  6. Step 6: Final answer
    x = 31,452.68

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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.