Home / 30,110.27-45,186.12-10,388.84

Finding the Fourth Proportional to 30,110.27, 45,186.12 and 10,388.84

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Solution

The fourth proportional to 30,110.27, 45,186.12 and 10,388.84 is: 15,590.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,110.27 : 45,186.12 = 10,388.84 : x
  2. Step 2: Convert to fraction form
    30,110.27/45,186.12 = 10,388.84/x
  3. Step 3: Cross multiply
    30,110.27x = 45,186.12 × 10,388.84
  4. Step 4: Simplify right side
    30,110.27x = 469,431,144.97
  5. Step 5: Solve for x
    x = 469,431,144.97/30,110.27
  6. Step 6: Final answer
    x = 15,590.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.