Home / 39,781.39-54,894.56-23,647.41

Finding the Fourth Proportional to 39,781.39, 54,894.56 and 23,647.41

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Solution

The fourth proportional to 39,781.39, 54,894.56 and 23,647.41 is: 32,631.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,781.39 : 54,894.56 = 23,647.41 : x
  2. Step 2: Convert to fraction form
    39,781.39/54,894.56 = 23,647.41/x
  3. Step 3: Cross multiply
    39,781.39x = 54,894.56 × 23,647.41
  4. Step 4: Simplify right side
    39,781.39x = 1,298,114,167.09
  5. Step 5: Solve for x
    x = 1,298,114,167.09/39,781.39
  6. Step 6: Final answer
    x = 32,631.19

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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.