Home / 31,561.97-47,347.74-9,372.57

Finding the Fourth Proportional to 31,561.97, 47,347.74 and 9,372.57

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Solution

The fourth proportional to 31,561.97, 47,347.74 and 9,372.57 is: 14,060.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,561.97 : 47,347.74 = 9,372.57 : x
  2. Step 2: Convert to fraction form
    31,561.97/47,347.74 = 9,372.57/x
  3. Step 3: Cross multiply
    31,561.97x = 47,347.74 × 9,372.57
  4. Step 4: Simplify right side
    31,561.97x = 443,770,007.49
  5. Step 5: Solve for x
    x = 443,770,007.49/31,561.97
  6. Step 6: Final answer
    x = 14,060.28

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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.