Home / 31,925.91-47,942.25-19,945.95

Finding the Fourth Proportional to 31,925.91, 47,942.25 and 19,945.95

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Solution

The fourth proportional to 31,925.91, 47,942.25 and 19,945.95 is: 29,952.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,925.91 : 47,942.25 = 19,945.95 : x
  2. Step 2: Convert to fraction form
    31,925.91/47,942.25 = 19,945.95/x
  3. Step 3: Cross multiply
    31,925.91x = 47,942.25 × 19,945.95
  4. Step 4: Simplify right side
    31,925.91x = 956,253,466.81
  5. Step 5: Solve for x
    x = 956,253,466.81/31,925.91
  6. Step 6: Final answer
    x = 29,952.27

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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.