Home / 51,279.20-76,904.40-16,229.60

Finding the Fourth Proportional to 51,279.20, 76,904.40 and 16,229.60

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Solution

The fourth proportional to 51,279.20, 76,904.40 and 16,229.60 is: 24,339.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,279.20 : 76,904.40 = 16,229.60 : x
  2. Step 2: Convert to fraction form
    51,279.20/76,904.40 = 16,229.60/x
  3. Step 3: Cross multiply
    51,279.20x = 76,904.40 × 16,229.60
  4. Step 4: Simplify right side
    51,279.20x = 1,248,127,650.24
  5. Step 5: Solve for x
    x = 1,248,127,650.24/51,279.20
  6. Step 6: Final answer
    x = 24,339.84

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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.