Home / 48,083.73-72,081.65-21,415.69

Finding the Fourth Proportional to 48,083.73, 72,081.65 and 21,415.69

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Solution

The fourth proportional to 48,083.73, 72,081.65 and 21,415.69 is: 32,103.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,083.73 : 72,081.65 = 21,415.69 : x
  2. Step 2: Convert to fraction form
    48,083.73/72,081.65 = 21,415.69/x
  3. Step 3: Cross multiply
    48,083.73x = 72,081.65 × 21,415.69
  4. Step 4: Simplify right side
    48,083.73x = 1,543,678,294.27
  5. Step 5: Solve for x
    x = 1,543,678,294.27/48,083.73
  6. Step 6: Final answer
    x = 32,103.97

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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.