Home / 40,787.97-61,204.23-15,828.99

Finding the Fourth Proportional to 40,787.97, 61,204.23 and 15,828.99

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Solution

The fourth proportional to 40,787.97, 61,204.23 and 15,828.99 is: 23,752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,787.97 : 61,204.23 = 15,828.99 : x
  2. Step 2: Convert to fraction form
    40,787.97/61,204.23 = 15,828.99/x
  3. Step 3: Cross multiply
    40,787.97x = 61,204.23 × 15,828.99
  4. Step 4: Simplify right side
    40,787.97x = 968,801,144.63
  5. Step 5: Solve for x
    x = 968,801,144.63/40,787.97
  6. Step 6: Final answer
    x = 23,752.13

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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.