Home / 47,225.78-70,827.33-13,936.85

Finding the Fourth Proportional to 47,225.78, 70,827.33 and 13,936.85

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Solution

The fourth proportional to 47,225.78, 70,827.33 and 13,936.85 is: 20,901.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,225.78 : 70,827.33 = 13,936.85 : x
  2. Step 2: Convert to fraction form
    47,225.78/70,827.33 = 13,936.85/x
  3. Step 3: Cross multiply
    47,225.78x = 70,827.33 × 13,936.85
  4. Step 4: Simplify right side
    47,225.78x = 987,109,874.11
  5. Step 5: Solve for x
    x = 987,109,874.11/47,225.78
  6. Step 6: Final answer
    x = 20,901.93

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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.