Home / 38,477.52-57,716.64-12,182.40

Finding the Fourth Proportional to 38,477.52, 57,716.64 and 12,182.40

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Solution

The fourth proportional to 38,477.52, 57,716.64 and 12,182.40 is: 18,273.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,477.52 : 57,716.64 = 12,182.40 : x
  2. Step 2: Convert to fraction form
    38,477.52/57,716.64 = 12,182.40/x
  3. Step 3: Cross multiply
    38,477.52x = 57,716.64 × 12,182.40
  4. Step 4: Simplify right side
    38,477.52x = 703,127,195.14
  5. Step 5: Solve for x
    x = 703,127,195.14/38,477.52
  6. Step 6: Final answer
    x = 18,273.71

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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.