Home / 56,946.26-85,370.78-40,253.78

Finding the Fourth Proportional to 56,946.26, 85,370.78 and 40,253.78

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Solution

The fourth proportional to 56,946.26, 85,370.78 and 40,253.78 is: 60,346.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,946.26 : 85,370.78 = 40,253.78 : x
  2. Step 2: Convert to fraction form
    56,946.26/85,370.78 = 40,253.78/x
  3. Step 3: Cross multiply
    56,946.26x = 85,370.78 × 40,253.78
  4. Step 4: Simplify right side
    56,946.26x = 3,436,496,910.61
  5. Step 5: Solve for x
    x = 3,436,496,910.61/56,946.26
  6. Step 6: Final answer
    x = 60,346.31

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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.