Home / 37,867.22-52,256.98-21,961.12

Finding the Fourth Proportional to 37,867.22, 52,256.98 and 21,961.12

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Solution

The fourth proportional to 37,867.22, 52,256.98 and 21,961.12 is: 30,306.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,867.22 : 52,256.98 = 21,961.12 : x
  2. Step 2: Convert to fraction form
    37,867.22/52,256.98 = 21,961.12/x
  3. Step 3: Cross multiply
    37,867.22x = 52,256.98 × 21,961.12
  4. Step 4: Simplify right side
    37,867.22x = 1,147,621,808.62
  5. Step 5: Solve for x
    x = 1,147,621,808.62/37,867.22
  6. Step 6: Final answer
    x = 30,306.47

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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.