Home / 38,766.31-58,112.53-12,452.58

Finding the Fourth Proportional to 38,766.31, 58,112.53 and 12,452.58

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Solution

The fourth proportional to 38,766.31, 58,112.53 and 12,452.58 is: 18,667.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,766.31 : 58,112.53 = 12,452.58 : x
  2. Step 2: Convert to fraction form
    38,766.31/58,112.53 = 12,452.58/x
  3. Step 3: Cross multiply
    38,766.31x = 58,112.53 × 12,452.58
  4. Step 4: Simplify right side
    38,766.31x = 723,650,897.70
  5. Step 5: Solve for x
    x = 723,650,897.70/38,766.31
  6. Step 6: Final answer
    x = 18,667.01

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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.