Home / 38,391.44-57,594.72-13,438.58

Finding the Fourth Proportional to 38,391.44, 57,594.72 and 13,438.58

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Solution

The fourth proportional to 38,391.44, 57,594.72 and 13,438.58 is: 20,160.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,391.44 : 57,594.72 = 13,438.58 : x
  2. Step 2: Convert to fraction form
    38,391.44/57,594.72 = 13,438.58/x
  3. Step 3: Cross multiply
    38,391.44x = 57,594.72 × 13,438.58
  4. Step 4: Simplify right side
    38,391.44x = 773,991,252.30
  5. Step 5: Solve for x
    x = 773,991,252.30/38,391.44
  6. Step 6: Final answer
    x = 20,160.52

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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.