Home / 36,561.76-50,454.88-20,645.92

Finding the Fourth Proportional to 36,561.76, 50,454.88 and 20,645.92

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Solution

The fourth proportional to 36,561.76, 50,454.88 and 20,645.92 is: 28,491.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,561.76 : 50,454.88 = 20,645.92 : x
  2. Step 2: Convert to fraction form
    36,561.76/50,454.88 = 20,645.92/x
  3. Step 3: Cross multiply
    36,561.76x = 50,454.88 × 20,645.92
  4. Step 4: Simplify right side
    36,561.76x = 1,041,687,416.09
  5. Step 5: Solve for x
    x = 1,041,687,416.09/36,561.76
  6. Step 6: Final answer
    x = 28,491.17

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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.