Home / 31,597.38-47,395.94-8,223.75

Finding the Fourth Proportional to 31,597.38, 47,395.94 and 8,223.75

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Solution

The fourth proportional to 31,597.38, 47,395.94 and 8,223.75 is: 12,335.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,597.38 : 47,395.94 = 8,223.75 : x
  2. Step 2: Convert to fraction form
    31,597.38/47,395.94 = 8,223.75/x
  3. Step 3: Cross multiply
    31,597.38x = 47,395.94 × 8,223.75
  4. Step 4: Simplify right side
    31,597.38x = 389,772,320.46
  5. Step 5: Solve for x
    x = 389,772,320.46/31,597.38
  6. Step 6: Final answer
    x = 12,335.59

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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.