Home / 56,911.70-85,310.16-19,446.26

Finding the Fourth Proportional to 56,911.70, 85,310.16 and 19,446.26

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Solution

The fourth proportional to 56,911.70, 85,310.16 and 19,446.26 is: 29,149.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,911.70 : 85,310.16 = 19,446.26 : x
  2. Step 2: Convert to fraction form
    56,911.70/85,310.16 = 19,446.26/x
  3. Step 3: Cross multiply
    56,911.70x = 85,310.16 × 19,446.26
  4. Step 4: Simplify right side
    56,911.70x = 1,658,963,125.45
  5. Step 5: Solve for x
    x = 1,658,963,125.45/56,911.70
  6. Step 6: Final answer
    x = 29,149.78

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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.