Home / 38,348.74-57,549.40-13,388.79

Finding the Fourth Proportional to 38,348.74, 57,549.40 and 13,388.79

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Solution

The fourth proportional to 38,348.74, 57,549.40 and 13,388.79 is: 20,092.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,348.74 : 57,549.40 = 13,388.79 : x
  2. Step 2: Convert to fraction form
    38,348.74/57,549.40 = 13,388.79/x
  3. Step 3: Cross multiply
    38,348.74x = 57,549.40 × 13,388.79
  4. Step 4: Simplify right side
    38,348.74x = 770,517,088.88
  5. Step 5: Solve for x
    x = 770,517,088.88/38,348.74
  6. Step 6: Final answer
    x = 20,092.37

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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.