Home / 36,736.79-50,697.86-20,820.69

Finding the Fourth Proportional to 36,736.79, 50,697.86 and 20,820.69

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Solution

The fourth proportional to 36,736.79, 50,697.86 and 20,820.69 is: 28,733.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,736.79 : 50,697.86 = 20,820.69 : x
  2. Step 2: Convert to fraction form
    36,736.79/50,697.86 = 20,820.69/x
  3. Step 3: Cross multiply
    36,736.79x = 50,697.86 × 20,820.69
  4. Step 4: Simplify right side
    36,736.79x = 1,055,564,322.62
  5. Step 5: Solve for x
    x = 1,055,564,322.62/36,736.79
  6. Step 6: Final answer
    x = 28,733.17

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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.