Home / 37,870.05-52,252.25-21,736.38

Finding the Fourth Proportional to 37,870.05, 52,252.25 and 21,736.38

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Solution

The fourth proportional to 37,870.05, 52,252.25 and 21,736.38 is: 29,991.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,870.05 : 52,252.25 = 21,736.38 : x
  2. Step 2: Convert to fraction form
    37,870.05/52,252.25 = 21,736.38/x
  3. Step 3: Cross multiply
    37,870.05x = 52,252.25 × 21,736.38
  4. Step 4: Simplify right side
    37,870.05x = 1,135,774,554.93
  5. Step 5: Solve for x
    x = 1,135,774,554.93/37,870.05
  6. Step 6: Final answer
    x = 29,991.36

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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.