Home / 51,154.80-76,761.48-27,783.28

Finding the Fourth Proportional to 51,154.80, 76,761.48 and 27,783.28

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Solution

The fourth proportional to 51,154.80, 76,761.48 and 27,783.28 is: 41,690.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,154.80 : 76,761.48 = 27,783.28 : x
  2. Step 2: Convert to fraction form
    51,154.80/76,761.48 = 27,783.28/x
  3. Step 3: Cross multiply
    51,154.80x = 76,761.48 × 27,783.28
  4. Step 4: Simplify right side
    51,154.80x = 2,132,685,692.05
  5. Step 5: Solve for x
    x = 2,132,685,692.05/51,154.80
  6. Step 6: Final answer
    x = 41,690.82

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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.