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Finding the Fourth Proportional to 36,447, 50,293.08 and 21,338.88

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Solution

The fourth proportional to 36,447, 50,293.08 and 21,338.88 is: 29,445.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,447 : 50,293.08 = 21,338.88 : x
  2. Step 2: Convert to fraction form
    36,447/50,293.08 = 21,338.88/x
  3. Step 3: Cross multiply
    36,447x = 50,293.08 × 21,338.88
  4. Step 4: Simplify right side
    36,447x = 1,073,197,998.95
  5. Step 5: Solve for x
    x = 1,073,197,998.95/36,447
  6. Step 6: Final answer
    x = 29,445.44

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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.