Home / 72,436.14-108,644.97-28,032.51

Finding the Fourth Proportional to 72,436.14, 108,644.97 and 28,032.51

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Solution

The fourth proportional to 72,436.14, 108,644.97 and 28,032.51 is: 42,045.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,436.14 : 108,644.97 = 28,032.51 : x
  2. Step 2: Convert to fraction form
    72,436.14/108,644.97 = 28,032.51/x
  3. Step 3: Cross multiply
    72,436.14x = 108,644.97 × 28,032.51
  4. Step 4: Simplify right side
    72,436.14x = 3,045,591,207.97
  5. Step 5: Solve for x
    x = 3,045,591,207.97/72,436.14
  6. Step 6: Final answer
    x = 42,045.19

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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.