Home / 36,415.38-54,612.30-18,635.07

Finding the Fourth Proportional to 36,415.38, 54,612.30 and 18,635.07

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Solution

The fourth proportional to 36,415.38, 54,612.30 and 18,635.07 is: 27,947.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,415.38 : 54,612.30 = 18,635.07 : x
  2. Step 2: Convert to fraction form
    36,415.38/54,612.30 = 18,635.07/x
  3. Step 3: Cross multiply
    36,415.38x = 54,612.30 × 18,635.07
  4. Step 4: Simplify right side
    36,415.38x = 1,017,703,760.30
  5. Step 5: Solve for x
    x = 1,017,703,760.30/36,415.38
  6. Step 6: Final answer
    x = 27,947.09

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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.