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Finding the Fourth Proportional to 33,862.40, 50,851.20 and 25,107.20

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Solution

The fourth proportional to 33,862.40, 50,851.20 and 25,107.20 is: 37,703.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,862.40 : 50,851.20 = 25,107.20 : x
  2. Step 2: Convert to fraction form
    33,862.40/50,851.20 = 25,107.20/x
  3. Step 3: Cross multiply
    33,862.40x = 50,851.20 × 25,107.20
  4. Step 4: Simplify right side
    33,862.40x = 1,276,731,248.64
  5. Step 5: Solve for x
    x = 1,276,731,248.64/33,862.40
  6. Step 6: Final answer
    x = 37,703.51

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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.