Home / 36,238.50-54,387.18-18,713.34

Finding the Fourth Proportional to 36,238.50, 54,387.18 and 18,713.34

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Solution

The fourth proportional to 36,238.50, 54,387.18 and 18,713.34 is: 28,085.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,238.50 : 54,387.18 = 18,713.34 : x
  2. Step 2: Convert to fraction form
    36,238.50/54,387.18 = 18,713.34/x
  3. Step 3: Cross multiply
    36,238.50x = 54,387.18 × 18,713.34
  4. Step 4: Simplify right side
    36,238.50x = 1,017,765,790.98
  5. Step 5: Solve for x
    x = 1,017,765,790.98/36,238.50
  6. Step 6: Final answer
    x = 28,085.21

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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.