Home / 38,388.60-57,579.66-12,089.52

Finding the Fourth Proportional to 38,388.60, 57,579.66 and 12,089.52

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Solution

The fourth proportional to 38,388.60, 57,579.66 and 12,089.52 is: 18,133.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,388.60 : 57,579.66 = 12,089.52 : x
  2. Step 2: Convert to fraction form
    38,388.60/57,579.66 = 12,089.52/x
  3. Step 3: Cross multiply
    38,388.60x = 57,579.66 × 12,089.52
  4. Step 4: Simplify right side
    38,388.60x = 696,110,451.16
  5. Step 5: Solve for x
    x = 696,110,451.16/38,388.60
  6. Step 6: Final answer
    x = 18,133.26

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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.