Home / 31,596.31-47,365.17-11,887.93

Finding the Fourth Proportional to 31,596.31, 47,365.17 and 11,887.93

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Solution

The fourth proportional to 31,596.31, 47,365.17 and 11,887.93 is: 17,820.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,596.31 : 47,365.17 = 11,887.93 : x
  2. Step 2: Convert to fraction form
    31,596.31/47,365.17 = 11,887.93/x
  3. Step 3: Cross multiply
    31,596.31x = 47,365.17 × 11,887.93
  4. Step 4: Simplify right side
    31,596.31x = 563,073,825.40
  5. Step 5: Solve for x
    x = 563,073,825.40/31,596.31
  6. Step 6: Final answer
    x = 17,820.87

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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.