Home / 31,989.79-47,889.92-23,707

Finding the Fourth Proportional to 31,989.79, 47,889.92 and 23,707

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Solution

The fourth proportional to 31,989.79, 47,889.92 and 23,707 is: 35,490.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,989.79 : 47,889.92 = 23,707 : x
  2. Step 2: Convert to fraction form
    31,989.79/47,889.92 = 23,707/x
  3. Step 3: Cross multiply
    31,989.79x = 47,889.92 × 23,707
  4. Step 4: Simplify right side
    31,989.79x = 1,135,326,214.91
  5. Step 5: Solve for x
    x = 1,135,326,214.91/31,989.79
  6. Step 6: Final answer
    x = 35,490.27

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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.