Home / 52,736.94-79,105.28-21,572.20

Finding the Fourth Proportional to 52,736.94, 79,105.28 and 21,572.20

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Solution

The fourth proportional to 52,736.94, 79,105.28 and 21,572.20 is: 32,358.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,736.94 : 79,105.28 = 21,572.20 : x
  2. Step 2: Convert to fraction form
    52,736.94/79,105.28 = 21,572.20/x
  3. Step 3: Cross multiply
    52,736.94x = 79,105.28 × 21,572.20
  4. Step 4: Simplify right side
    52,736.94x = 1,706,474,921.22
  5. Step 5: Solve for x
    x = 1,706,474,921.22/52,736.94
  6. Step 6: Final answer
    x = 32,358.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.