Home / 36,214.85-54,323.96-18,718.85

Finding the Fourth Proportional to 36,214.85, 54,323.96 and 18,718.85

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Solution

The fourth proportional to 36,214.85, 54,323.96 and 18,718.85 is: 28,079.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,214.85 : 54,323.96 = 18,718.85 : x
  2. Step 2: Convert to fraction form
    36,214.85/54,323.96 = 18,718.85/x
  3. Step 3: Cross multiply
    36,214.85x = 54,323.96 × 18,718.85
  4. Step 4: Simplify right side
    36,214.85x = 1,016,881,965.05
  5. Step 5: Solve for x
    x = 1,016,881,965.05/36,214.85
  6. Step 6: Final answer
    x = 28,079.14

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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.