Home / 38,090.66-57,120.20-14,394.11

Finding the Fourth Proportional to 38,090.66, 57,120.20 and 14,394.11

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Solution

The fourth proportional to 38,090.66, 57,120.20 and 14,394.11 is: 21,585.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,090.66 : 57,120.20 = 14,394.11 : x
  2. Step 2: Convert to fraction form
    38,090.66/57,120.20 = 14,394.11/x
  3. Step 3: Cross multiply
    38,090.66x = 57,120.20 × 14,394.11
  4. Step 4: Simplify right side
    38,090.66x = 822,194,370.05
  5. Step 5: Solve for x
    x = 822,194,370.05/38,090.66
  6. Step 6: Final answer
    x = 21,585.20

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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.