Home / 30,982.51-46,479.23-10,998.12

Finding the Fourth Proportional to 30,982.51, 46,479.23 and 10,998.12

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Solution

The fourth proportional to 30,982.51, 46,479.23 and 10,998.12 is: 16,499.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,982.51 : 46,479.23 = 10,998.12 : x
  2. Step 2: Convert to fraction form
    30,982.51/46,479.23 = 10,998.12/x
  3. Step 3: Cross multiply
    30,982.51x = 46,479.23 × 10,998.12
  4. Step 4: Simplify right side
    30,982.51x = 511,184,149.05
  5. Step 5: Solve for x
    x = 511,184,149.05/30,982.51
  6. Step 6: Final answer
    x = 16,499.12

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Double scale
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Similar ratio
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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.