Home / 36,316.91-50,111.88-20,398.31

Finding the Fourth Proportional to 36,316.91, 50,111.88 and 20,398.31

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Solution

The fourth proportional to 36,316.91, 50,111.88 and 20,398.31 is: 28,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,316.91 : 50,111.88 = 20,398.31 : x
  2. Step 2: Convert to fraction form
    36,316.91/50,111.88 = 20,398.31/x
  3. Step 3: Cross multiply
    36,316.91x = 50,111.88 × 20,398.31
  4. Step 4: Simplify right side
    36,316.91x = 1,022,197,662.92
  5. Step 5: Solve for x
    x = 1,022,197,662.92/36,316.91
  6. Step 6: Final answer
    x = 28,146.60

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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.