Home / 40,787.58-61,129.80-23,267.28

Finding the Fourth Proportional to 40,787.58, 61,129.80 and 23,267.28

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Solution

The fourth proportional to 40,787.58, 61,129.80 and 23,267.28 is: 34,871.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,787.58 : 61,129.80 = 23,267.28 : x
  2. Step 2: Convert to fraction form
    40,787.58/61,129.80 = 23,267.28/x
  3. Step 3: Cross multiply
    40,787.58x = 61,129.80 × 23,267.28
  4. Step 4: Simplify right side
    40,787.58x = 1,422,324,172.94
  5. Step 5: Solve for x
    x = 1,422,324,172.94/40,787.58
  6. Step 6: Final answer
    x = 34,871.50

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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.