Home / 30,151.62-41,608.97-16,722.90

Finding the Fourth Proportional to 30,151.62, 41,608.97 and 16,722.90

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Solution

The fourth proportional to 30,151.62, 41,608.97 and 16,722.90 is: 23,077.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,151.62 : 41,608.97 = 16,722.90 : x
  2. Step 2: Convert to fraction form
    30,151.62/41,608.97 = 16,722.90/x
  3. Step 3: Cross multiply
    30,151.62x = 41,608.97 × 16,722.90
  4. Step 4: Simplify right side
    30,151.62x = 695,822,664.82
  5. Step 5: Solve for x
    x = 695,822,664.82/30,151.62
  6. Step 6: Final answer
    x = 23,077.45

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1.5x scale

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.