Home / 38,389.44-57,591.72-13,436.58

Finding the Fourth Proportional to 38,389.44, 57,591.72 and 13,436.58

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Solution

The fourth proportional to 38,389.44, 57,591.72 and 13,436.58 is: 20,157.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,389.44 : 57,591.72 = 13,436.58 : x
  2. Step 2: Convert to fraction form
    38,389.44/57,591.72 = 13,436.58/x
  3. Step 3: Cross multiply
    38,389.44x = 57,591.72 × 13,436.58
  4. Step 4: Simplify right side
    38,389.44x = 773,835,753.12
  5. Step 5: Solve for x
    x = 773,835,753.12/38,389.44
  6. Step 6: Final answer
    x = 20,157.52

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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.