Home / 36,489.61-50,351.38-20,573.11

Finding the Fourth Proportional to 36,489.61, 50,351.38 and 20,573.11

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Solution

The fourth proportional to 36,489.61, 50,351.38 and 20,573.11 is: 28,388.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,489.61 : 50,351.38 = 20,573.11 : x
  2. Step 2: Convert to fraction form
    36,489.61/50,351.38 = 20,573.11/x
  3. Step 3: Cross multiply
    36,489.61x = 50,351.38 × 20,573.11
  4. Step 4: Simplify right side
    36,489.61x = 1,035,884,479.39
  5. Step 5: Solve for x
    x = 1,035,884,479.39/36,489.61
  6. Step 6: Final answer
    x = 28,388.48

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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.