Home / 51,235.24-70,711.11-31,090.96

Finding the Fourth Proportional to 51,235.24, 70,711.11 and 31,090.96

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Solution

The fourth proportional to 51,235.24, 70,711.11 and 31,090.96 is: 42,909.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,235.24 : 70,711.11 = 31,090.96 : x
  2. Step 2: Convert to fraction form
    51,235.24/70,711.11 = 31,090.96/x
  3. Step 3: Cross multiply
    51,235.24x = 70,711.11 × 31,090.96
  4. Step 4: Simplify right side
    51,235.24x = 2,198,476,292.57
  5. Step 5: Solve for x
    x = 2,198,476,292.57/51,235.24
  6. Step 6: Final answer
    x = 42,909.46

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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.