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Finding the Fourth Proportional to 60,941.74, 91,396.21 and 21,493.73

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Solution

The fourth proportional to 60,941.74, 91,396.21 and 21,493.73 is: 32,234.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,941.74 : 91,396.21 = 21,493.73 : x
  2. Step 2: Convert to fraction form
    60,941.74/91,396.21 = 21,493.73/x
  3. Step 3: Cross multiply
    60,941.74x = 91,396.21 × 21,493.73
  4. Step 4: Simplify right side
    60,941.74x = 1,964,445,460.76
  5. Step 5: Solve for x
    x = 1,964,445,460.76/60,941.74
  6. Step 6: Final answer
    x = 32,234.81

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1.5x scale

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.