Home / 39,905.93-55,069.17-22,000.52

Finding the Fourth Proportional to 39,905.93, 55,069.17 and 22,000.52

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Solution

The fourth proportional to 39,905.93, 55,069.17 and 22,000.52 is: 30,360.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,905.93 : 55,069.17 = 22,000.52 : x
  2. Step 2: Convert to fraction form
    39,905.93/55,069.17 = 22,000.52/x
  3. Step 3: Cross multiply
    39,905.93x = 55,069.17 × 22,000.52
  4. Step 4: Simplify right side
    39,905.93x = 1,211,550,375.97
  5. Step 5: Solve for x
    x = 1,211,550,375.97/39,905.93
  6. Step 6: Final answer
    x = 30,360.16

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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.