Home / 57,998.78-87,031.62-31,344.84

Finding the Fourth Proportional to 57,998.78, 87,031.62 and 31,344.84

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Solution

The fourth proportional to 57,998.78, 87,031.62 and 31,344.84 is: 47,035.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,998.78 : 87,031.62 = 31,344.84 : x
  2. Step 2: Convert to fraction form
    57,998.78/87,031.62 = 31,344.84/x
  3. Step 3: Cross multiply
    57,998.78x = 87,031.62 × 31,344.84
  4. Step 4: Simplify right side
    57,998.78x = 2,727,992,203.84
  5. Step 5: Solve for x
    x = 2,727,992,203.84/57,998.78
  6. Step 6: Final answer
    x = 47,035.34

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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.