Home / 39,638.52-54,701.58-22,645.02

Finding the Fourth Proportional to 39,638.52, 54,701.58 and 22,645.02

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Solution

The fourth proportional to 39,638.52, 54,701.58 and 22,645.02 is: 31,250.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,638.52 : 54,701.58 = 22,645.02 : x
  2. Step 2: Convert to fraction form
    39,638.52/54,701.58 = 22,645.02/x
  3. Step 3: Cross multiply
    39,638.52x = 54,701.58 × 22,645.02
  4. Step 4: Simplify right side
    39,638.52x = 1,238,718,373.13
  5. Step 5: Solve for x
    x = 1,238,718,373.13/39,638.52
  6. Step 6: Final answer
    x = 31,250.37

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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.