Home / 36,742.12-50,708.08-20,824.86

Finding the Fourth Proportional to 36,742.12, 50,708.08 and 20,824.86

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Solution

The fourth proportional to 36,742.12, 50,708.08 and 20,824.86 is: 28,740.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,742.12 : 50,708.08 = 20,824.86 : x
  2. Step 2: Convert to fraction form
    36,742.12/50,708.08 = 20,824.86/x
  3. Step 3: Cross multiply
    36,742.12x = 50,708.08 × 20,824.86
  4. Step 4: Simplify right side
    36,742.12x = 1,055,988,666.87
  5. Step 5: Solve for x
    x = 1,055,988,666.87/36,742.12
  6. Step 6: Final answer
    x = 28,740.55

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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.