Home / 30,181.68-41,643.32-18,084.13

Finding the Fourth Proportional to 30,181.68, 41,643.32 and 18,084.13

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Solution

The fourth proportional to 30,181.68, 41,643.32 and 18,084.13 is: 24,951.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,181.68 : 41,643.32 = 18,084.13 : x
  2. Step 2: Convert to fraction form
    30,181.68/41,643.32 = 18,084.13/x
  3. Step 3: Cross multiply
    30,181.68x = 41,643.32 × 18,084.13
  4. Step 4: Simplify right side
    30,181.68x = 753,083,017.98
  5. Step 5: Solve for x
    x = 753,083,017.98/30,181.68
  6. Step 6: Final answer
    x = 24,951.66

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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.