Home / 55,102.27-82,653.05-15,118.13

Finding the Fourth Proportional to 55,102.27, 82,653.05 and 15,118.13

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Solution

The fourth proportional to 55,102.27, 82,653.05 and 15,118.13 is: 22,677.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,102.27 : 82,653.05 = 15,118.13 : x
  2. Step 2: Convert to fraction form
    55,102.27/82,653.05 = 15,118.13/x
  3. Step 3: Cross multiply
    55,102.27x = 82,653.05 × 15,118.13
  4. Step 4: Simplify right side
    55,102.27x = 1,249,559,375.89
  5. Step 5: Solve for x
    x = 1,249,559,375.89/55,102.27
  6. Step 6: Final answer
    x = 22,677.09

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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.