Home / 31,739.80-47,609.86-9,553.02

Finding the Fourth Proportional to 31,739.80, 47,609.86 and 9,553.02

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Solution

The fourth proportional to 31,739.80, 47,609.86 and 9,553.02 is: 14,329.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,739.80 : 47,609.86 = 9,553.02 : x
  2. Step 2: Convert to fraction form
    31,739.80/47,609.86 = 9,553.02/x
  3. Step 3: Cross multiply
    31,739.80x = 47,609.86 × 9,553.02
  4. Step 4: Simplify right side
    31,739.80x = 454,817,944.78
  5. Step 5: Solve for x
    x = 454,817,944.78/31,739.80
  6. Step 6: Final answer
    x = 14,329.58

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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.