Home / 47,163.36-70,757.10-13,884.42

Finding the Fourth Proportional to 47,163.36, 70,757.10 and 13,884.42

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Solution

The fourth proportional to 47,163.36, 70,757.10 and 13,884.42 is: 20,830.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,163.36 : 70,757.10 = 13,884.42 : x
  2. Step 2: Convert to fraction form
    47,163.36/70,757.10 = 13,884.42/x
  3. Step 3: Cross multiply
    47,163.36x = 70,757.10 × 13,884.42
  4. Step 4: Simplify right side
    47,163.36x = 982,421,294.38
  5. Step 5: Solve for x
    x = 982,421,294.38/47,163.36
  6. Step 6: Final answer
    x = 20,830.18

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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.