Home / 49,787.36-74,692.88-14,249.20

Finding the Fourth Proportional to 49,787.36, 74,692.88 and 14,249.20

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Solution

The fourth proportional to 49,787.36, 74,692.88 and 14,249.20 is: 21,377.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,787.36 : 74,692.88 = 14,249.20 : x
  2. Step 2: Convert to fraction form
    49,787.36/74,692.88 = 14,249.20/x
  3. Step 3: Cross multiply
    49,787.36x = 74,692.88 × 14,249.20
  4. Step 4: Simplify right side
    49,787.36x = 1,064,313,785.70
  5. Step 5: Solve for x
    x = 1,064,313,785.70/49,787.36
  6. Step 6: Final answer
    x = 21,377.19

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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.