Home / 31,822.24-47,739.51-12,099.26

Finding the Fourth Proportional to 31,822.24, 47,739.51 and 12,099.26

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Solution

The fourth proportional to 31,822.24, 47,739.51 and 12,099.26 is: 18,151.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,822.24 : 47,739.51 = 12,099.26 : x
  2. Step 2: Convert to fraction form
    31,822.24/47,739.51 = 12,099.26/x
  3. Step 3: Cross multiply
    31,822.24x = 47,739.51 × 12,099.26
  4. Step 4: Simplify right side
    31,822.24x = 577,612,802.62
  5. Step 5: Solve for x
    x = 577,612,802.62/31,822.24
  6. Step 6: Final answer
    x = 18,151.23

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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.