Home / 39,977.06-55,167.99-22,071.69

Finding the Fourth Proportional to 39,977.06, 55,167.99 and 22,071.69

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Solution

The fourth proportional to 39,977.06, 55,167.99 and 22,071.69 is: 30,458.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,977.06 : 55,167.99 = 22,071.69 : x
  2. Step 2: Convert to fraction form
    39,977.06/55,167.99 = 22,071.69/x
  3. Step 3: Cross multiply
    39,977.06x = 55,167.99 × 22,071.69
  4. Step 4: Simplify right side
    39,977.06x = 1,217,650,497.36
  5. Step 5: Solve for x
    x = 1,217,650,497.36/39,977.06
  6. Step 6: Final answer
    x = 30,458.73

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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.