Home / 38,140.72-57,216.54-14,441.88

Finding the Fourth Proportional to 38,140.72, 57,216.54 and 14,441.88

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Solution

The fourth proportional to 38,140.72, 57,216.54 and 14,441.88 is: 21,664.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,140.72 : 57,216.54 = 14,441.88 : x
  2. Step 2: Convert to fraction form
    38,140.72/57,216.54 = 14,441.88/x
  3. Step 3: Cross multiply
    38,140.72x = 57,216.54 × 14,441.88
  4. Step 4: Simplify right side
    38,140.72x = 826,314,404.70
  5. Step 5: Solve for x
    x = 826,314,404.70/38,140.72
  6. Step 6: Final answer
    x = 21,664.89

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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.