Home / 47,144.12-70,699.17-13,855.28

Finding the Fourth Proportional to 47,144.12, 70,699.17 and 13,855.28

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Solution

The fourth proportional to 47,144.12, 70,699.17 and 13,855.28 is: 20,777.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,144.12 : 70,699.17 = 13,855.28 : x
  2. Step 2: Convert to fraction form
    47,144.12/70,699.17 = 13,855.28/x
  3. Step 3: Cross multiply
    47,144.12x = 70,699.17 × 13,855.28
  4. Step 4: Simplify right side
    47,144.12x = 979,556,796.12
  5. Step 5: Solve for x
    x = 979,556,796.12/47,144.12
  6. Step 6: Final answer
    x = 20,777.92

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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.