Home / 37,786.98-52,145.19-21,871.11

Finding the Fourth Proportional to 37,786.98, 52,145.19 and 21,871.11

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Solution

The fourth proportional to 37,786.98, 52,145.19 and 21,871.11 is: 30,181.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,786.98 : 52,145.19 = 21,871.11 : x
  2. Step 2: Convert to fraction form
    37,786.98/52,145.19 = 21,871.11/x
  3. Step 3: Cross multiply
    37,786.98x = 52,145.19 × 21,871.11
  4. Step 4: Simplify right side
    37,786.98x = 1,140,473,186.46
  5. Step 5: Solve for x
    x = 1,140,473,186.46/37,786.98
  6. Step 6: Final answer
    x = 30,181.64

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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.