Home / 39,638.27-54,701.25-22,644.76

Finding the Fourth Proportional to 39,638.27, 54,701.25 and 22,644.76

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Solution

The fourth proportional to 39,638.27, 54,701.25 and 22,644.76 is: 31,250.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,638.27 : 54,701.25 = 22,644.76 : x
  2. Step 2: Convert to fraction form
    39,638.27/54,701.25 = 22,644.76/x
  3. Step 3: Cross multiply
    39,638.27x = 54,701.25 × 22,644.76
  4. Step 4: Simplify right side
    39,638.27x = 1,238,696,677.95
  5. Step 5: Solve for x
    x = 1,238,696,677.95/39,638.27
  6. Step 6: Final answer
    x = 31,250.02

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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.