Home / 36,532.80-50,416.92-20,618.64

Finding the Fourth Proportional to 36,532.80, 50,416.92 and 20,618.64

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Solution

The fourth proportional to 36,532.80, 50,416.92 and 20,618.64 is: 28,454.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,532.80 : 50,416.92 = 20,618.64 : x
  2. Step 2: Convert to fraction form
    36,532.80/50,416.92 = 20,618.64/x
  3. Step 3: Cross multiply
    36,532.80x = 50,416.92 × 20,618.64
  4. Step 4: Simplify right side
    36,532.80x = 1,039,528,323.39
  5. Step 5: Solve for x
    x = 1,039,528,323.39/36,532.80
  6. Step 6: Final answer
    x = 28,454.66

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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.