Home / 38,166.60-57,255.10-13,199.95

Finding the Fourth Proportional to 38,166.60, 57,255.10 and 13,199.95

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Solution

The fourth proportional to 38,166.60, 57,255.10 and 13,199.95 is: 19,801.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,166.60 : 57,255.10 = 13,199.95 : x
  2. Step 2: Convert to fraction form
    38,166.60/57,255.10 = 13,199.95/x
  3. Step 3: Cross multiply
    38,166.60x = 57,255.10 × 13,199.95
  4. Step 4: Simplify right side
    38,166.60x = 755,764,457.25
  5. Step 5: Solve for x
    x = 755,764,457.25/38,166.60
  6. Step 6: Final answer
    x = 19,801.72

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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.