Home / 36,314.76-50,111.44-20,398.68

Finding the Fourth Proportional to 36,314.76, 50,111.44 and 20,398.68

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Solution

The fourth proportional to 36,314.76, 50,111.44 and 20,398.68 is: 28,148.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,314.76 : 50,111.44 = 20,398.68 : x
  2. Step 2: Convert to fraction form
    36,314.76/50,111.44 = 20,398.68/x
  3. Step 3: Cross multiply
    36,314.76x = 50,111.44 × 20,398.68
  4. Step 4: Simplify right side
    36,314.76x = 1,022,207,228.90
  5. Step 5: Solve for x
    x = 1,022,207,228.90/36,314.76
  6. Step 6: Final answer
    x = 28,148.53

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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.