Home / 30,331.92-41,857.47-16,902.88

Finding the Fourth Proportional to 30,331.92, 41,857.47 and 16,902.88

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Solution

The fourth proportional to 30,331.92, 41,857.47 and 16,902.88 is: 23,325.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,331.92 : 41,857.47 = 16,902.88 : x
  2. Step 2: Convert to fraction form
    30,331.92/41,857.47 = 16,902.88/x
  3. Step 3: Cross multiply
    30,331.92x = 41,857.47 × 16,902.88
  4. Step 4: Simplify right side
    30,331.92x = 707,511,792.51
  5. Step 5: Solve for x
    x = 707,511,792.51/30,331.92
  6. Step 6: Final answer
    x = 23,325.65

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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.