Home / 47,224.78-70,825.83-13,935.85

Finding the Fourth Proportional to 47,224.78, 70,825.83 and 13,935.85

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Solution

The fourth proportional to 47,224.78, 70,825.83 and 13,935.85 is: 20,900.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,224.78 : 70,825.83 = 13,935.85 : x
  2. Step 2: Convert to fraction form
    47,224.78/70,825.83 = 13,935.85/x
  3. Step 3: Cross multiply
    47,224.78x = 70,825.83 × 13,935.85
  4. Step 4: Simplify right side
    47,224.78x = 987,018,143.01
  5. Step 5: Solve for x
    x = 987,018,143.01/47,224.78
  6. Step 6: Final answer
    x = 20,900.43

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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.