Home / 39,697.29-54,778.19-23,781.33

Finding the Fourth Proportional to 39,697.29, 54,778.19 and 23,781.33

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Solution

The fourth proportional to 39,697.29, 54,778.19 and 23,781.33 is: 32,815.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,697.29 : 54,778.19 = 23,781.33 : x
  2. Step 2: Convert to fraction form
    39,697.29/54,778.19 = 23,781.33/x
  3. Step 3: Cross multiply
    39,697.29x = 54,778.19 × 23,781.33
  4. Step 4: Simplify right side
    39,697.29x = 1,302,698,094.29
  5. Step 5: Solve for x
    x = 1,302,698,094.29/39,697.29
  6. Step 6: Final answer
    x = 32,815.79

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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.