Home / 32,739.80-49,159.74-31,391.96

Finding the Fourth Proportional to 32,739.80, 49,159.74 and 31,391.96

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Solution

The fourth proportional to 32,739.80, 49,159.74 and 31,391.96 is: 47,135.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,739.80 : 49,159.74 = 31,391.96 : x
  2. Step 2: Convert to fraction form
    32,739.80/49,159.74 = 31,391.96/x
  3. Step 3: Cross multiply
    32,739.80x = 49,159.74 × 31,391.96
  4. Step 4: Simplify right side
    32,739.80x = 1,543,220,591.69
  5. Step 5: Solve for x
    x = 1,543,220,591.69/32,739.80
  6. Step 6: Final answer
    x = 47,135.92

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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.