Home / 36,815.04-50,805.96-20,685.20

Finding the Fourth Proportional to 36,815.04, 50,805.96 and 20,685.20

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Solution

The fourth proportional to 36,815.04, 50,805.96 and 20,685.20 is: 28,546.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,815.04 : 50,805.96 = 20,685.20 : x
  2. Step 2: Convert to fraction form
    36,815.04/50,805.96 = 20,685.20/x
  3. Step 3: Cross multiply
    36,815.04x = 50,805.96 × 20,685.20
  4. Step 4: Simplify right side
    36,815.04x = 1,050,931,443.79
  5. Step 5: Solve for x
    x = 1,050,931,443.79/36,815.04
  6. Step 6: Final answer
    x = 28,546.25

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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.