Home / 30,108.96-41,549.18-16,680.42

Finding the Fourth Proportional to 30,108.96, 41,549.18 and 16,680.42

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Solution

The fourth proportional to 30,108.96, 41,549.18 and 16,680.42 is: 23,018.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108.96 : 41,549.18 = 16,680.42 : x
  2. Step 2: Convert to fraction form
    30,108.96/41,549.18 = 16,680.42/x
  3. Step 3: Cross multiply
    30,108.96x = 41,549.18 × 16,680.42
  4. Step 4: Simplify right side
    30,108.96x = 693,057,939.29
  5. Step 5: Solve for x
    x = 693,057,939.29/30,108.96
  6. Step 6: Final answer
    x = 23,018.33

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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.