Home / 48,785.82-67,270.98-31,758.66

Finding the Fourth Proportional to 48,785.82, 67,270.98 and 31,758.66

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Solution

The fourth proportional to 48,785.82, 67,270.98 and 31,758.66 is: 43,792.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,785.82 : 67,270.98 = 31,758.66 : x
  2. Step 2: Convert to fraction form
    48,785.82/67,270.98 = 31,758.66/x
  3. Step 3: Cross multiply
    48,785.82x = 67,270.98 × 31,758.66
  4. Step 4: Simplify right side
    48,785.82x = 2,136,436,022.26
  5. Step 5: Solve for x
    x = 2,136,436,022.26/48,785.82
  6. Step 6: Final answer
    x = 43,792.15

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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.