Home / 31,365.80-47,043.93-9,173.24

Finding the Fourth Proportional to 31,365.80, 47,043.93 and 9,173.24

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Solution

The fourth proportional to 31,365.80, 47,043.93 and 9,173.24 is: 13,758.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,365.80 : 47,043.93 = 9,173.24 : x
  2. Step 2: Convert to fraction form
    31,365.80/47,043.93 = 9,173.24/x
  3. Step 3: Cross multiply
    31,365.80x = 47,043.93 × 9,173.24
  4. Step 4: Simplify right side
    31,365.80x = 431,545,260.43
  5. Step 5: Solve for x
    x = 431,545,260.43/31,365.80
  6. Step 6: Final answer
    x = 13,758.46

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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.