Home / 36,218.39-49,981.23-20,302.83

Finding the Fourth Proportional to 36,218.39, 49,981.23 and 20,302.83

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Solution

The fourth proportional to 36,218.39, 49,981.23 and 20,302.83 is: 28,017.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,218.39 : 49,981.23 = 20,302.83 : x
  2. Step 2: Convert to fraction form
    36,218.39/49,981.23 = 20,302.83/x
  3. Step 3: Cross multiply
    36,218.39x = 49,981.23 × 20,302.83
  4. Step 4: Simplify right side
    36,218.39x = 1,014,760,415.88
  5. Step 5: Solve for x
    x = 1,014,760,415.88/36,218.39
  6. Step 6: Final answer
    x = 28,017.83

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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.