Home / 53,217.94-79,839.42-18,157.72

Finding the Fourth Proportional to 53,217.94, 79,839.42 and 18,157.72

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Solution

The fourth proportional to 53,217.94, 79,839.42 and 18,157.72 is: 27,240.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,217.94 : 79,839.42 = 18,157.72 : x
  2. Step 2: Convert to fraction form
    53,217.94/79,839.42 = 18,157.72/x
  3. Step 3: Cross multiply
    53,217.94x = 79,839.42 × 18,157.72
  4. Step 4: Simplify right side
    53,217.94x = 1,449,701,833.32
  5. Step 5: Solve for x
    x = 1,449,701,833.32/53,217.94
  6. Step 6: Final answer
    x = 27,240.85

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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.