Home / 38,660.26-57,999.62-13,702.49

Finding the Fourth Proportional to 38,660.26, 57,999.62 and 13,702.49

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Solution

The fourth proportional to 38,660.26, 57,999.62 and 13,702.49 is: 20,557.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,660.26 : 57,999.62 = 13,702.49 : x
  2. Step 2: Convert to fraction form
    38,660.26/57,999.62 = 13,702.49/x
  3. Step 3: Cross multiply
    38,660.26x = 57,999.62 × 13,702.49
  4. Step 4: Simplify right side
    38,660.26x = 794,738,999.54
  5. Step 5: Solve for x
    x = 794,738,999.54/38,660.26
  6. Step 6: Final answer
    x = 20,557.00

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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.