Home / 30,043.91-45,111.73-25,424.48

Finding the Fourth Proportional to 30,043.91, 45,111.73 and 25,424.48

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Solution

The fourth proportional to 30,043.91, 45,111.73 and 25,424.48 is: 38,175.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,043.91 : 45,111.73 = 25,424.48 : x
  2. Step 2: Convert to fraction form
    30,043.91/45,111.73 = 25,424.48/x
  3. Step 3: Cross multiply
    30,043.91x = 45,111.73 × 25,424.48
  4. Step 4: Simplify right side
    30,043.91x = 1,146,942,277.15
  5. Step 5: Solve for x
    x = 1,146,942,277.15/30,043.91
  6. Step 6: Final answer
    x = 38,175.53

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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.