Home / 52,921.04-79,382.52-21,749.36

Finding the Fourth Proportional to 52,921.04, 79,382.52 and 21,749.36

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Solution

The fourth proportional to 52,921.04, 79,382.52 and 21,749.36 is: 32,624.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,921.04 : 79,382.52 = 21,749.36 : x
  2. Step 2: Convert to fraction form
    52,921.04/79,382.52 = 21,749.36/x
  3. Step 3: Cross multiply
    52,921.04x = 79,382.52 × 21,749.36
  4. Step 4: Simplify right side
    52,921.04x = 1,726,519,005.19
  5. Step 5: Solve for x
    x = 1,726,519,005.19/52,921.04
  6. Step 6: Final answer
    x = 32,624.43

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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.