Home / 51,536.62-71,119.05-30,031.12

Finding the Fourth Proportional to 51,536.62, 71,119.05 and 30,031.12

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Solution

The fourth proportional to 51,536.62, 71,119.05 and 30,031.12 is: 41,442.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,536.62 : 71,119.05 = 30,031.12 : x
  2. Step 2: Convert to fraction form
    51,536.62/71,119.05 = 30,031.12/x
  3. Step 3: Cross multiply
    51,536.62x = 71,119.05 × 30,031.12
  4. Step 4: Simplify right side
    51,536.62x = 2,135,784,724.84
  5. Step 5: Solve for x
    x = 2,135,784,724.84/51,536.62
  6. Step 6: Final answer
    x = 41,442.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.