Home / 38,168.92-52,672.75-21,173.20

Finding the Fourth Proportional to 38,168.92, 52,672.75 and 21,173.20

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Solution

The fourth proportional to 38,168.92, 52,672.75 and 21,173.20 is: 29,218.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,168.92 : 52,672.75 = 21,173.20 : x
  2. Step 2: Convert to fraction form
    38,168.92/52,672.75 = 21,173.20/x
  3. Step 3: Cross multiply
    38,168.92x = 52,672.75 × 21,173.20
  4. Step 4: Simplify right side
    38,168.92x = 1,115,250,485.69
  5. Step 5: Solve for x
    x = 1,115,250,485.69/38,168.92
  6. Step 6: Final answer
    x = 29,218.81

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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.