Home / 38,937.75-53,734.17-22,170.75

Finding the Fourth Proportional to 38,937.75, 53,734.17 and 22,170.75

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Solution

The fourth proportional to 38,937.75, 53,734.17 and 22,170.75 is: 30,595.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,937.75 : 53,734.17 = 22,170.75 : x
  2. Step 2: Convert to fraction form
    38,937.75/53,734.17 = 22,170.75/x
  3. Step 3: Cross multiply
    38,937.75x = 53,734.17 × 22,170.75
  4. Step 4: Simplify right side
    38,937.75x = 1,191,326,849.53
  5. Step 5: Solve for x
    x = 1,191,326,849.53/38,937.75
  6. Step 6: Final answer
    x = 30,595.68

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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.