Home / 47,692.79-71,540.54-12,632.45

Finding the Fourth Proportional to 47,692.79, 71,540.54 and 12,632.45

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Solution

The fourth proportional to 47,692.79, 71,540.54 and 12,632.45 is: 18,949.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,692.79 : 71,540.54 = 12,632.45 : x
  2. Step 2: Convert to fraction form
    47,692.79/71,540.54 = 12,632.45/x
  3. Step 3: Cross multiply
    47,692.79x = 71,540.54 × 12,632.45
  4. Step 4: Simplify right side
    47,692.79x = 903,731,873.66
  5. Step 5: Solve for x
    x = 903,731,873.66/47,692.79
  6. Step 6: Final answer
    x = 18,949.03

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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.