Home / 60,650.46-90,934.56-21,186

Finding the Fourth Proportional to 60,650.46, 90,934.56 and 21,186

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Solution

The fourth proportional to 60,650.46, 90,934.56 and 21,186 is: 31,764.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,650.46 : 90,934.56 = 21,186 : x
  2. Step 2: Convert to fraction form
    60,650.46/90,934.56 = 21,186/x
  3. Step 3: Cross multiply
    60,650.46x = 90,934.56 × 21,186
  4. Step 4: Simplify right side
    60,650.46x = 1,926,539,588.16
  5. Step 5: Solve for x
    x = 1,926,539,588.16/60,650.46
  6. Step 6: Final answer
    x = 31,764.63

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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.