Home / 49,390.33-68,157.96-28,169.95

Finding the Fourth Proportional to 49,390.33, 68,157.96 and 28,169.95

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Solution

The fourth proportional to 49,390.33, 68,157.96 and 28,169.95 is: 38,874.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,390.33 : 68,157.96 = 28,169.95 : x
  2. Step 2: Convert to fraction form
    49,390.33/68,157.96 = 28,169.95/x
  3. Step 3: Cross multiply
    49,390.33x = 68,157.96 × 28,169.95
  4. Step 4: Simplify right side
    49,390.33x = 1,920,005,984.51
  5. Step 5: Solve for x
    x = 1,920,005,984.51/49,390.33
  6. Step 6: Final answer
    x = 38,874.13

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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.