Home / 36,347.12-54,255.50-31,918.44

Finding the Fourth Proportional to 36,347.12, 54,255.50 and 31,918.44

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Solution

The fourth proportional to 36,347.12, 54,255.50 and 31,918.44 is: 47,644.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,347.12 : 54,255.50 = 31,918.44 : x
  2. Step 2: Convert to fraction form
    36,347.12/54,255.50 = 31,918.44/x
  3. Step 3: Cross multiply
    36,347.12x = 54,255.50 × 31,918.44
  4. Step 4: Simplify right side
    36,347.12x = 1,731,750,921.42
  5. Step 5: Solve for x
    x = 1,731,750,921.42/36,347.12
  6. Step 6: Final answer
    x = 47,644.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.