Home / 53,218.20-79,827.30-47,227.80

Finding the Fourth Proportional to 53,218.20, 79,827.30 and 47,227.80

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Solution

The fourth proportional to 53,218.20, 79,827.30 and 47,227.80 is: 70,841.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,218.20 : 79,827.30 = 47,227.80 : x
  2. Step 2: Convert to fraction form
    53,218.20/79,827.30 = 47,227.80/x
  3. Step 3: Cross multiply
    53,218.20x = 79,827.30 × 47,227.80
  4. Step 4: Simplify right side
    53,218.20x = 3,770,067,758.94
  5. Step 5: Solve for x
    x = 3,770,067,758.94/53,218.20
  6. Step 6: Final answer
    x = 70,841.70

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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.