Home / 36,214.98-54,324.15-18,718.98

Finding the Fourth Proportional to 36,214.98, 54,324.15 and 18,718.98

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Solution

The fourth proportional to 36,214.98, 54,324.15 and 18,718.98 is: 28,079.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,214.98 : 54,324.15 = 18,718.98 : x
  2. Step 2: Convert to fraction form
    36,214.98/54,324.15 = 18,718.98/x
  3. Step 3: Cross multiply
    36,214.98x = 54,324.15 × 18,718.98
  4. Step 4: Simplify right side
    36,214.98x = 1,016,892,312.15
  5. Step 5: Solve for x
    x = 1,016,892,312.15/36,214.98
  6. Step 6: Final answer
    x = 28,079.33

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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.