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Finding the Fourth Proportional to 37,197, 51,338.34 and 21,282.12

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Solution

The fourth proportional to 37,197, 51,338.34 and 21,282.12 is: 29,373.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,197 : 51,338.34 = 21,282.12 : x
  2. Step 2: Convert to fraction form
    37,197/51,338.34 = 21,282.12/x
  3. Step 3: Cross multiply
    37,197x = 51,338.34 × 21,282.12
  4. Step 4: Simplify right side
    37,197x = 1,092,588,712.48
  5. Step 5: Solve for x
    x = 1,092,588,712.48/37,197
  6. Step 6: Final answer
    x = 29,373.03

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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.