Home / 51,227.20-76,840.80-16,170.40

Finding the Fourth Proportional to 51,227.20, 76,840.80 and 16,170.40

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Solution

The fourth proportional to 51,227.20, 76,840.80 and 16,170.40 is: 24,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,227.20 : 76,840.80 = 16,170.40 : x
  2. Step 2: Convert to fraction form
    51,227.20/76,840.80 = 16,170.40/x
  3. Step 3: Cross multiply
    51,227.20x = 76,840.80 × 16,170.40
  4. Step 4: Simplify right side
    51,227.20x = 1,242,546,472.32
  5. Step 5: Solve for x
    x = 1,242,546,472.32/51,227.20
  6. Step 6: Final answer
    x = 24,255.60

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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.