Home / 52,904.45-79,359.27-21,310.25

Finding the Fourth Proportional to 52,904.45, 79,359.27 and 21,310.25

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Solution

The fourth proportional to 52,904.45, 79,359.27 and 21,310.25 is: 31,966.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,904.45 : 79,359.27 = 21,310.25 : x
  2. Step 2: Convert to fraction form
    52,904.45/79,359.27 = 21,310.25/x
  3. Step 3: Cross multiply
    52,904.45x = 79,359.27 × 21,310.25
  4. Step 4: Simplify right side
    52,904.45x = 1,691,165,883.52
  5. Step 5: Solve for x
    x = 1,691,165,883.52/52,904.45
  6. Step 6: Final answer
    x = 31,966.42

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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.