Home / 32,828.25-45,171.76-31,909.71

Finding the Fourth Proportional to 32,828.25, 45,171.76 and 31,909.71

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Solution

The fourth proportional to 32,828.25, 45,171.76 and 31,909.71 is: 43,907.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,828.25 : 45,171.76 = 31,909.71 : x
  2. Step 2: Convert to fraction form
    32,828.25/45,171.76 = 31,909.71/x
  3. Step 3: Cross multiply
    32,828.25x = 45,171.76 × 31,909.71
  4. Step 4: Simplify right side
    32,828.25x = 1,441,417,761.79
  5. Step 5: Solve for x
    x = 1,441,417,761.79/32,828.25
  6. Step 6: Final answer
    x = 43,907.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.