Home / 41,128.10-61,706.55-17,771.30

Finding the Fourth Proportional to 41,128.10, 61,706.55 and 17,771.30

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Solution

The fourth proportional to 41,128.10, 61,706.55 and 17,771.30 is: 26,663.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,128.10 : 61,706.55 = 17,771.30 : x
  2. Step 2: Convert to fraction form
    41,128.10/61,706.55 = 17,771.30/x
  3. Step 3: Cross multiply
    41,128.10x = 61,706.55 × 17,771.30
  4. Step 4: Simplify right side
    41,128.10x = 1,096,605,612.02
  5. Step 5: Solve for x
    x = 1,096,605,612.02/41,128.10
  6. Step 6: Final answer
    x = 26,663.17

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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.