Home / 40,894.10-56,431.04-22,991.88

Finding the Fourth Proportional to 40,894.10, 56,431.04 and 22,991.88

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Solution

The fourth proportional to 40,894.10, 56,431.04 and 22,991.88 is: 31,727.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,894.10 : 56,431.04 = 22,991.88 : x
  2. Step 2: Convert to fraction form
    40,894.10/56,431.04 = 22,991.88/x
  3. Step 3: Cross multiply
    40,894.10x = 56,431.04 × 22,991.88
  4. Step 4: Simplify right side
    40,894.10x = 1,297,455,585.00
  5. Step 5: Solve for x
    x = 1,297,455,585.00/40,894.10
  6. Step 6: Final answer
    x = 31,727.21

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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.