Home / 37,890.39-52,311.12-33,687

Finding the Fourth Proportional to 37,890.39, 52,311.12 and 33,687

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Solution

The fourth proportional to 37,890.39, 52,311.12 and 33,687 is: 46,507.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,890.39 : 52,311.12 = 33,687 : x
  2. Step 2: Convert to fraction form
    37,890.39/52,311.12 = 33,687/x
  3. Step 3: Cross multiply
    37,890.39x = 52,311.12 × 33,687
  4. Step 4: Simplify right side
    37,890.39x = 1,762,204,699.44
  5. Step 5: Solve for x
    x = 1,762,204,699.44/37,890.39
  6. Step 6: Final answer
    x = 46,507.96

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1.5x scale

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.