Home / 47,031.80-70,546.78-11,493.34

Finding the Fourth Proportional to 47,031.80, 70,546.78 and 11,493.34

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Solution

The fourth proportional to 47,031.80, 70,546.78 and 11,493.34 is: 17,239.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,031.80 : 70,546.78 = 11,493.34 : x
  2. Step 2: Convert to fraction form
    47,031.80/70,546.78 = 11,493.34/x
  3. Step 3: Cross multiply
    47,031.80x = 70,546.78 × 11,493.34
  4. Step 4: Simplify right side
    47,031.80x = 810,818,128.45
  5. Step 5: Solve for x
    x = 810,818,128.45/47,031.80
  6. Step 6: Final answer
    x = 17,239.79

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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.