Home / 68,925.48-103,371.12-19,003.38

Finding the Fourth Proportional to 68,925.48, 103,371.12 and 19,003.38

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Solution

The fourth proportional to 68,925.48, 103,371.12 and 19,003.38 is: 28,500.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,925.48 : 103,371.12 = 19,003.38 : x
  2. Step 2: Convert to fraction form
    68,925.48/103,371.12 = 19,003.38/x
  3. Step 3: Cross multiply
    68,925.48x = 103,371.12 × 19,003.38
  4. Step 4: Simplify right side
    68,925.48x = 1,964,400,674.39
  5. Step 5: Solve for x
    x = 1,964,400,674.39/68,925.48
  6. Step 6: Final answer
    x = 28,500.36

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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.