Home / 38,523.30-57,801.15-21,005.70

Finding the Fourth Proportional to 38,523.30, 57,801.15 and 21,005.70

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Solution

The fourth proportional to 38,523.30, 57,801.15 and 21,005.70 is: 31,517.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,523.30 : 57,801.15 = 21,005.70 : x
  2. Step 2: Convert to fraction form
    38,523.30/57,801.15 = 21,005.70/x
  3. Step 3: Cross multiply
    38,523.30x = 57,801.15 × 21,005.70
  4. Step 4: Simplify right side
    38,523.30x = 1,214,153,616.56
  5. Step 5: Solve for x
    x = 1,214,153,616.56/38,523.30
  6. Step 6: Final answer
    x = 31,517.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.