Home / 37,257.28-51,417.20-21,338.08

Finding the Fourth Proportional to 37,257.28, 51,417.20 and 21,338.08

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Solution

The fourth proportional to 37,257.28, 51,417.20 and 21,338.08 is: 29,447.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,257.28 : 51,417.20 = 21,338.08 : x
  2. Step 2: Convert to fraction form
    37,257.28/51,417.20 = 21,338.08/x
  3. Step 3: Cross multiply
    37,257.28x = 51,417.20 × 21,338.08
  4. Step 4: Simplify right side
    37,257.28x = 1,097,144,326.98
  5. Step 5: Solve for x
    x = 1,097,144,326.98/37,257.28
  6. Step 6: Final answer
    x = 29,447.78

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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.