Home / 55,269.07-82,921.13-19,729.63

Finding the Fourth Proportional to 55,269.07, 82,921.13 and 19,729.63

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Solution

The fourth proportional to 55,269.07, 82,921.13 and 19,729.63 is: 29,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,269.07 : 82,921.13 = 19,729.63 : x
  2. Step 2: Convert to fraction form
    55,269.07/82,921.13 = 19,729.63/x
  3. Step 3: Cross multiply
    55,269.07x = 82,921.13 × 19,729.63
  4. Step 4: Simplify right side
    55,269.07x = 1,636,002,982.12
  5. Step 5: Solve for x
    x = 1,636,002,982.12/55,269.07
  6. Step 6: Final answer
    x = 29,600.70

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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.