Home / 56,911.70-85,367.48-16,930.55

Finding the Fourth Proportional to 56,911.70, 85,367.48 and 16,930.55

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Solution

The fourth proportional to 56,911.70, 85,367.48 and 16,930.55 is: 25,395.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,911.70 : 85,367.48 = 16,930.55 : x
  2. Step 2: Convert to fraction form
    56,911.70/85,367.48 = 16,930.55/x
  3. Step 3: Cross multiply
    56,911.70x = 85,367.48 × 16,930.55
  4. Step 4: Simplify right side
    56,911.70x = 1,445,318,517.28
  5. Step 5: Solve for x
    x = 1,445,318,517.28/56,911.70
  6. Step 6: Final answer
    x = 25,395.81

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1.5x scale

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.