Home / 36,218.91-49,988.04-20,307.27

Finding the Fourth Proportional to 36,218.91, 49,988.04 and 20,307.27

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Solution

The fourth proportional to 36,218.91, 49,988.04 and 20,307.27 is: 28,027.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,218.91 : 49,988.04 = 20,307.27 : x
  2. Step 2: Convert to fraction form
    36,218.91/49,988.04 = 20,307.27/x
  3. Step 3: Cross multiply
    36,218.91x = 49,988.04 × 20,307.27
  4. Step 4: Simplify right side
    36,218.91x = 1,015,120,625.05
  5. Step 5: Solve for x
    x = 1,015,120,625.05/36,218.91
  6. Step 6: Final answer
    x = 28,027.37

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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.