Home / 53,423.20-80,037.60-43,508.80

Finding the Fourth Proportional to 53,423.20, 80,037.60 and 43,508.80

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Solution

The fourth proportional to 53,423.20, 80,037.60 and 43,508.80 is: 65,184.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,423.20 : 80,037.60 = 43,508.80 : x
  2. Step 2: Convert to fraction form
    53,423.20/80,037.60 = 43,508.80/x
  3. Step 3: Cross multiply
    53,423.20x = 80,037.60 × 43,508.80
  4. Step 4: Simplify right side
    53,423.20x = 3,482,339,930.88
  5. Step 5: Solve for x
    x = 3,482,339,930.88/53,423.20
  6. Step 6: Final answer
    x = 65,184.04

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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.