Home / 37,912.11-52,318.08-20,917.98

Finding the Fourth Proportional to 37,912.11, 52,318.08 and 20,917.98

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Solution

The fourth proportional to 37,912.11, 52,318.08 and 20,917.98 is: 28,866.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,912.11 : 52,318.08 = 20,917.98 : x
  2. Step 2: Convert to fraction form
    37,912.11/52,318.08 = 20,917.98/x
  3. Step 3: Cross multiply
    37,912.11x = 52,318.08 × 20,917.98
  4. Step 4: Simplify right side
    37,912.11x = 1,094,388,551.08
  5. Step 5: Solve for x
    x = 1,094,388,551.08/37,912.11
  6. Step 6: Final answer
    x = 28,866.46

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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.