Home / 31,935.48-47,906.49-12,230.58

Finding the Fourth Proportional to 31,935.48, 47,906.49 and 12,230.58

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Solution

The fourth proportional to 31,935.48, 47,906.49 and 12,230.58 is: 18,347.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,935.48 : 47,906.49 = 12,230.58 : x
  2. Step 2: Convert to fraction form
    31,935.48/47,906.49 = 12,230.58/x
  3. Step 3: Cross multiply
    31,935.48x = 47,906.49 × 12,230.58
  4. Step 4: Simplify right side
    31,935.48x = 585,924,158.46
  5. Step 5: Solve for x
    x = 585,924,158.46/31,935.48
  6. Step 6: Final answer
    x = 18,347.12

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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.