Home / 40,787.52-61,148.88-15,826.56

Finding the Fourth Proportional to 40,787.52, 61,148.88 and 15,826.56

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Solution

The fourth proportional to 40,787.52, 61,148.88 and 15,826.56 is: 23,727.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,787.52 : 61,148.88 = 15,826.56 : x
  2. Step 2: Convert to fraction form
    40,787.52/61,148.88 = 15,826.56/x
  3. Step 3: Cross multiply
    40,787.52x = 61,148.88 × 15,826.56
  4. Step 4: Simplify right side
    40,787.52x = 967,776,418.25
  5. Step 5: Solve for x
    x = 967,776,418.25/40,787.52
  6. Step 6: Final answer
    x = 23,727.27

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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.