Home / 31,985.33-47,976.63-10,927.26

Finding the Fourth Proportional to 31,985.33, 47,976.63 and 10,927.26

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Solution

The fourth proportional to 31,985.33, 47,976.63 and 10,927.26 is: 16,390.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,985.33 : 47,976.63 = 10,927.26 : x
  2. Step 2: Convert to fraction form
    31,985.33/47,976.63 = 10,927.26/x
  3. Step 3: Cross multiply
    31,985.33x = 47,976.63 × 10,927.26
  4. Step 4: Simplify right side
    31,985.33x = 524,253,109.93
  5. Step 5: Solve for x
    x = 524,253,109.93/31,985.33
  6. Step 6: Final answer
    x = 16,390.43

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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.