Home / 40,721.84-61,012.62-31,833.70

Finding the Fourth Proportional to 40,721.84, 61,012.62 and 31,833.70

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Solution

The fourth proportional to 40,721.84, 61,012.62 and 31,833.70 is: 47,695.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,721.84 : 61,012.62 = 31,833.70 : x
  2. Step 2: Convert to fraction form
    40,721.84/61,012.62 = 31,833.70/x
  3. Step 3: Cross multiply
    40,721.84x = 61,012.62 × 31,833.70
  4. Step 4: Simplify right side
    40,721.84x = 1,942,257,441.29
  5. Step 5: Solve for x
    x = 1,942,257,441.29/40,721.84
  6. Step 6: Final answer
    x = 47,695.72

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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.