Home / 52,735.32-79,103.79-21,148.16

Finding the Fourth Proportional to 52,735.32, 79,103.79 and 21,148.16

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Solution

The fourth proportional to 52,735.32, 79,103.79 and 21,148.16 is: 31,722.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,735.32 : 79,103.79 = 21,148.16 : x
  2. Step 2: Convert to fraction form
    52,735.32/79,103.79 = 21,148.16/x
  3. Step 3: Cross multiply
    52,735.32x = 79,103.79 × 21,148.16
  4. Step 4: Simplify right side
    52,735.32x = 1,672,899,212.01
  5. Step 5: Solve for x
    x = 1,672,899,212.01/52,735.32
  6. Step 6: Final answer
    x = 31,722.56

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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.