Home / 37,218.42-51,346.80-21,294.36

Finding the Fourth Proportional to 37,218.42, 51,346.80 and 21,294.36

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Solution

The fourth proportional to 37,218.42, 51,346.80 and 21,294.36 is: 29,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,218.42 : 51,346.80 = 21,294.36 : x
  2. Step 2: Convert to fraction form
    37,218.42/51,346.80 = 21,294.36/x
  3. Step 3: Cross multiply
    37,218.42x = 51,346.80 × 21,294.36
  4. Step 4: Simplify right side
    37,218.42x = 1,093,397,244.05
  5. Step 5: Solve for x
    x = 1,093,397,244.05/37,218.42
  6. Step 6: Final answer
    x = 29,377.85

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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.