Home / 45,438.73-62,730.05-31,868.44

Finding the Fourth Proportional to 45,438.73, 62,730.05 and 31,868.44

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Solution

The fourth proportional to 45,438.73, 62,730.05 and 31,868.44 is: 43,995.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,438.73 : 62,730.05 = 31,868.44 : x
  2. Step 2: Convert to fraction form
    45,438.73/62,730.05 = 31,868.44/x
  3. Step 3: Cross multiply
    45,438.73x = 62,730.05 × 31,868.44
  4. Step 4: Simplify right side
    45,438.73x = 1,999,108,834.62
  5. Step 5: Solve for x
    x = 1,999,108,834.62/45,438.73
  6. Step 6: Final answer
    x = 43,995.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.