Home / 39,635.90-54,701.44-22,642.68

Finding the Fourth Proportional to 39,635.90, 54,701.44 and 22,642.68

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Solution

The fourth proportional to 39,635.90, 54,701.44 and 22,642.68 is: 31,249.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,635.90 : 54,701.44 = 22,642.68 : x
  2. Step 2: Convert to fraction form
    39,635.90/54,701.44 = 22,642.68/x
  3. Step 3: Cross multiply
    39,635.90x = 54,701.44 × 22,642.68
  4. Step 4: Simplify right side
    39,635.90x = 1,238,587,201.46
  5. Step 5: Solve for x
    x = 1,238,587,201.46/39,635.90
  6. Step 6: Final answer
    x = 31,249.13

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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.