Home / 36,537.84-54,787.02-12,839.28

Finding the Fourth Proportional to 36,537.84, 54,787.02 and 12,839.28

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Solution

The fourth proportional to 36,537.84, 54,787.02 and 12,839.28 is: 19,251.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,537.84 : 54,787.02 = 12,839.28 : x
  2. Step 2: Convert to fraction form
    36,537.84/54,787.02 = 12,839.28/x
  3. Step 3: Cross multiply
    36,537.84x = 54,787.02 × 12,839.28
  4. Step 4: Simplify right side
    36,537.84x = 703,425,890.15
  5. Step 5: Solve for x
    x = 703,425,890.15/36,537.84
  6. Step 6: Final answer
    x = 19,251.98

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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.