Home / 29,068.72-40,128.06-22,351.96

Finding the Fourth Proportional to 29,068.72, 40,128.06 and 22,351.96

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Solution

The fourth proportional to 29,068.72, 40,128.06 and 22,351.96 is: 30,855.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,068.72 : 40,128.06 = 22,351.96 : x
  2. Step 2: Convert to fraction form
    29,068.72/40,128.06 = 22,351.96/x
  3. Step 3: Cross multiply
    29,068.72x = 40,128.06 × 22,351.96
  4. Step 4: Simplify right side
    29,068.72x = 896,940,792.00
  5. Step 5: Solve for x
    x = 896,940,792.00/29,068.72
  6. Step 6: Final answer
    x = 30,855.88

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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.