Home / 31,789.45-47,684.54-9,603.01

Finding the Fourth Proportional to 31,789.45, 47,684.54 and 9,603.01

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Solution

The fourth proportional to 31,789.45, 47,684.54 and 9,603.01 is: 14,404.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,789.45 : 47,684.54 = 9,603.01 : x
  2. Step 2: Convert to fraction form
    31,789.45/47,684.54 = 9,603.01/x
  3. Step 3: Cross multiply
    31,789.45x = 47,684.54 × 9,603.01
  4. Step 4: Simplify right side
    31,789.45x = 457,915,114.47
  5. Step 5: Solve for x
    x = 457,915,114.47/31,789.45
  6. Step 6: Final answer
    x = 14,404.63

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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.