Home / 52,895.96-79,344.24-21,320.54

Finding the Fourth Proportional to 52,895.96, 79,344.24 and 21,320.54

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Solution

The fourth proportional to 52,895.96, 79,344.24 and 21,320.54 is: 31,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,895.96 : 79,344.24 = 21,320.54 : x
  2. Step 2: Convert to fraction form
    52,895.96/79,344.24 = 21,320.54/x
  3. Step 3: Cross multiply
    52,895.96x = 79,344.24 × 21,320.54
  4. Step 4: Simplify right side
    52,895.96x = 1,691,662,042.69
  5. Step 5: Solve for x
    x = 1,691,662,042.69/52,895.96
  6. Step 6: Final answer
    x = 31,980.93

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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.