Home / 31,685.24-47,538.82-18,369.80

Finding the Fourth Proportional to 31,685.24, 47,538.82 and 18,369.80

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Solution

The fourth proportional to 31,685.24, 47,538.82 and 18,369.80 is: 27,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,685.24 : 47,538.82 = 18,369.80 : x
  2. Step 2: Convert to fraction form
    31,685.24/47,538.82 = 18,369.80/x
  3. Step 3: Cross multiply
    31,685.24x = 47,538.82 × 18,369.80
  4. Step 4: Simplify right side
    31,685.24x = 873,278,846.58
  5. Step 5: Solve for x
    x = 873,278,846.58/31,685.24
  6. Step 6: Final answer
    x = 27,561.06

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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.