Home / 30,181.99-45,280.83-11,462.13

Finding the Fourth Proportional to 30,181.99, 45,280.83 and 11,462.13

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Solution

The fourth proportional to 30,181.99, 45,280.83 and 11,462.13 is: 17,196.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,181.99 : 45,280.83 = 11,462.13 : x
  2. Step 2: Convert to fraction form
    30,181.99/45,280.83 = 11,462.13/x
  3. Step 3: Cross multiply
    30,181.99x = 45,280.83 × 11,462.13
  4. Step 4: Simplify right side
    30,181.99x = 519,014,759.97
  5. Step 5: Solve for x
    x = 519,014,759.97/30,181.99
  6. Step 6: Final answer
    x = 17,196.17

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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.