Home / 53,292.87-79,892.26-21,729.33

Finding the Fourth Proportional to 53,292.87, 79,892.26 and 21,729.33

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Solution

The fourth proportional to 53,292.87, 79,892.26 and 21,729.33 is: 32,574.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,292.87 : 79,892.26 = 21,729.33 : x
  2. Step 2: Convert to fraction form
    53,292.87/79,892.26 = 21,729.33/x
  3. Step 3: Cross multiply
    53,292.87x = 79,892.26 × 21,729.33
  4. Step 4: Simplify right side
    53,292.87x = 1,736,004,773.88
  5. Step 5: Solve for x
    x = 1,736,004,773.88/53,292.87
  6. Step 6: Final answer
    x = 32,574.81

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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.