Home / 36,024.12-49,713.09-20,920.49

Finding the Fourth Proportional to 36,024.12, 49,713.09 and 20,920.49

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Solution

The fourth proportional to 36,024.12, 49,713.09 and 20,920.49 is: 28,870.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,024.12 : 49,713.09 = 20,920.49 : x
  2. Step 2: Convert to fraction form
    36,024.12/49,713.09 = 20,920.49/x
  3. Step 3: Cross multiply
    36,024.12x = 49,713.09 × 20,920.49
  4. Step 4: Simplify right side
    36,024.12x = 1,040,021,849.05
  5. Step 5: Solve for x
    x = 1,040,021,849.05/36,024.12
  6. Step 6: Final answer
    x = 28,870.16

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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.