Home / 55,153.29-82,702.61-19,609.28

Finding the Fourth Proportional to 55,153.29, 82,702.61 and 19,609.28

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Solution

The fourth proportional to 55,153.29, 82,702.61 and 19,609.28 is: 29,404.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,153.29 : 82,702.61 = 19,609.28 : x
  2. Step 2: Convert to fraction form
    55,153.29/82,702.61 = 19,609.28/x
  3. Step 3: Cross multiply
    55,153.29x = 82,702.61 × 19,609.28
  4. Step 4: Simplify right side
    55,153.29x = 1,621,738,685.78
  5. Step 5: Solve for x
    x = 1,621,738,685.78/55,153.29
  6. Step 6: Final answer
    x = 29,404.21

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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.