Home / 31,941.69-47,912.94-17,899.53

Finding the Fourth Proportional to 31,941.69, 47,912.94 and 17,899.53

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Solution

The fourth proportional to 31,941.69, 47,912.94 and 17,899.53 is: 26,849.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,941.69 : 47,912.94 = 17,899.53 : x
  2. Step 2: Convert to fraction form
    31,941.69/47,912.94 = 17,899.53/x
  3. Step 3: Cross multiply
    31,941.69x = 47,912.94 × 17,899.53
  4. Step 4: Simplify right side
    31,941.69x = 857,619,106.92
  5. Step 5: Solve for x
    x = 857,619,106.92/31,941.69
  6. Step 6: Final answer
    x = 26,849.52

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Similar ratio
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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.