Home / 53,217.20-79,825.80-47,226.80

Finding the Fourth Proportional to 53,217.20, 79,825.80 and 47,226.80

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Solution

The fourth proportional to 53,217.20, 79,825.80 and 47,226.80 is: 70,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,217.20 : 79,825.80 = 47,226.80 : x
  2. Step 2: Convert to fraction form
    53,217.20/79,825.80 = 47,226.80/x
  3. Step 3: Cross multiply
    53,217.20x = 79,825.80 × 47,226.80
  4. Step 4: Simplify right side
    53,217.20x = 3,769,917,091.44
  5. Step 5: Solve for x
    x = 3,769,917,091.44/53,217.20
  6. Step 6: Final answer
    x = 70,840.20

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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.