Home / 36,715.52-50,670.96-20,802.80

Finding the Fourth Proportional to 36,715.52, 50,670.96 and 20,802.80

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Solution

The fourth proportional to 36,715.52, 50,670.96 and 20,802.80 is: 28,709.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,715.52 : 50,670.96 = 20,802.80 : x
  2. Step 2: Convert to fraction form
    36,715.52/50,670.96 = 20,802.80/x
  3. Step 3: Cross multiply
    36,715.52x = 50,670.96 × 20,802.80
  4. Step 4: Simplify right side
    36,715.52x = 1,054,097,846.69
  5. Step 5: Solve for x
    x = 1,054,097,846.69/36,715.52
  6. Step 6: Final answer
    x = 28,709.87

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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.