Home / 31,256.70-43,089.30-22,288.62

Finding the Fourth Proportional to 31,256.70, 43,089.30 and 22,288.62

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Solution

The fourth proportional to 31,256.70, 43,089.30 and 22,288.62 is: 30,726.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,256.70 : 43,089.30 = 22,288.62 : x
  2. Step 2: Convert to fraction form
    31,256.70/43,089.30 = 22,288.62/x
  3. Step 3: Cross multiply
    31,256.70x = 43,089.30 × 22,288.62
  4. Step 4: Simplify right side
    31,256.70x = 960,401,033.77
  5. Step 5: Solve for x
    x = 960,401,033.77/31,256.70
  6. Step 6: Final answer
    x = 30,726.25

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