Home / 30,288.70-41,790.01-18,186.04

Finding the Fourth Proportional to 30,288.70, 41,790.01 and 18,186.04

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Solution

The fourth proportional to 30,288.70, 41,790.01 and 18,186.04 is: 25,091.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,288.70 : 41,790.01 = 18,186.04 : x
  2. Step 2: Convert to fraction form
    30,288.70/41,790.01 = 18,186.04/x
  3. Step 3: Cross multiply
    30,288.70x = 41,790.01 × 18,186.04
  4. Step 4: Simplify right side
    30,288.70x = 759,994,793.46
  5. Step 5: Solve for x
    x = 759,994,793.46/30,288.70
  6. Step 6: Final answer
    x = 25,091.69

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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.