Home / 53,039.52-79,562.40-21,864

Finding the Fourth Proportional to 53,039.52, 79,562.40 and 21,864

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Solution

The fourth proportional to 53,039.52, 79,562.40 and 21,864 is: 32,797.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,039.52 : 79,562.40 = 21,864 : x
  2. Step 2: Convert to fraction form
    53,039.52/79,562.40 = 21,864/x
  3. Step 3: Cross multiply
    53,039.52x = 79,562.40 × 21,864
  4. Step 4: Simplify right side
    53,039.52x = 1,739,552,313.60
  5. Step 5: Solve for x
    x = 1,739,552,313.60/53,039.52
  6. Step 6: Final answer
    x = 32,797.29

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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.