Home / 45,891.42-68,862.20-17,812.58

Finding the Fourth Proportional to 45,891.42, 68,862.20 and 17,812.58

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Solution

The fourth proportional to 45,891.42, 68,862.20 and 17,812.58 is: 26,728.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,891.42 : 68,862.20 = 17,812.58 : x
  2. Step 2: Convert to fraction form
    45,891.42/68,862.20 = 17,812.58/x
  3. Step 3: Cross multiply
    45,891.42x = 68,862.20 × 17,812.58
  4. Step 4: Simplify right side
    45,891.42x = 1,226,613,446.48
  5. Step 5: Solve for x
    x = 1,226,613,446.48/45,891.42
  6. Step 6: Final answer
    x = 26,728.60

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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.