Home / 81,547.41-122,302.17-22,387.83

Finding the Fourth Proportional to 81,547.41, 122,302.17 and 22,387.83

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Solution

The fourth proportional to 81,547.41, 122,302.17 and 22,387.83 is: 33,576.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,547.41 : 122,302.17 = 22,387.83 : x
  2. Step 2: Convert to fraction form
    81,547.41/122,302.17 = 22,387.83/x
  3. Step 3: Cross multiply
    81,547.41x = 122,302.17 × 22,387.83
  4. Step 4: Simplify right side
    81,547.41x = 2,738,080,190.59
  5. Step 5: Solve for x
    x = 2,738,080,190.59/81,547.41
  6. Step 6: Final answer
    x = 33,576.54

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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.