Home / 36,721.09-50,674.98-20,808.57

Finding the Fourth Proportional to 36,721.09, 50,674.98 and 20,808.57

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Solution

The fourth proportional to 36,721.09, 50,674.98 and 20,808.57 is: 28,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,721.09 : 50,674.98 = 20,808.57 : x
  2. Step 2: Convert to fraction form
    36,721.09/50,674.98 = 20,808.57/x
  3. Step 3: Cross multiply
    36,721.09x = 50,674.98 × 20,808.57
  4. Step 4: Simplify right side
    36,721.09x = 1,054,473,868.58
  5. Step 5: Solve for x
    x = 1,054,473,868.58/36,721.09
  6. Step 6: Final answer
    x = 28,715.76

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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.