Home / 36,721.14-50,674.17-20,807.07

Finding the Fourth Proportional to 36,721.14, 50,674.17 and 20,807.07

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Solution

The fourth proportional to 36,721.14, 50,674.17 and 20,807.07 is: 28,713.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,721.14 : 50,674.17 = 20,807.07 : x
  2. Step 2: Convert to fraction form
    36,721.14/50,674.17 = 20,807.07/x
  3. Step 3: Cross multiply
    36,721.14x = 50,674.17 × 20,807.07
  4. Step 4: Simplify right side
    36,721.14x = 1,054,381,002.38
  5. Step 5: Solve for x
    x = 1,054,381,002.38/36,721.14
  6. Step 6: Final answer
    x = 28,713.19

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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.