Home / 22,031.40-33,052.86-7,242.60

Finding the Fourth Proportional to 22,031.40, 33,052.86 and 7,242.60

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Solution

The fourth proportional to 22,031.40, 33,052.86 and 7,242.60 is: 10,865.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,031.40 : 33,052.86 = 7,242.60 : x
  2. Step 2: Convert to fraction form
    22,031.40/33,052.86 = 7,242.60/x
  3. Step 3: Cross multiply
    22,031.40x = 33,052.86 × 7,242.60
  4. Step 4: Simplify right side
    22,031.40x = 239,388,643.84
  5. Step 5: Solve for x
    x = 239,388,643.84/22,031.40
  6. Step 6: Final answer
    x = 10,865.79

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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.