Home / 30,240.06-41,728.14-18,299.04

Finding the Fourth Proportional to 30,240.06, 41,728.14 and 18,299.04

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Solution

The fourth proportional to 30,240.06, 41,728.14 and 18,299.04 is: 25,250.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240.06 : 41,728.14 = 18,299.04 : x
  2. Step 2: Convert to fraction form
    30,240.06/41,728.14 = 18,299.04/x
  3. Step 3: Cross multiply
    30,240.06x = 41,728.14 × 18,299.04
  4. Step 4: Simplify right side
    30,240.06x = 763,584,902.99
  5. Step 5: Solve for x
    x = 763,584,902.99/30,240.06
  6. Step 6: Final answer
    x = 25,250.77

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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.