Home / 81,740.96-122,584.80-26,324

Finding the Fourth Proportional to 81,740.96, 122,584.80 and 26,324

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Solution

The fourth proportional to 81,740.96, 122,584.80 and 26,324 is: 39,477.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,740.96 : 122,584.80 = 26,324 : x
  2. Step 2: Convert to fraction form
    81,740.96/122,584.80 = 26,324/x
  3. Step 3: Cross multiply
    81,740.96x = 122,584.80 × 26,324
  4. Step 4: Simplify right side
    81,740.96x = 3,226,922,275.20
  5. Step 5: Solve for x
    x = 3,226,922,275.20/81,740.96
  6. Step 6: Final answer
    x = 39,477.42

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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.