Home / 31,923.45-47,890.24-9,731.75

Finding the Fourth Proportional to 31,923.45, 47,890.24 and 9,731.75

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Solution

The fourth proportional to 31,923.45, 47,890.24 and 9,731.75 is: 14,599.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,923.45 : 47,890.24 = 9,731.75 : x
  2. Step 2: Convert to fraction form
    31,923.45/47,890.24 = 9,731.75/x
  3. Step 3: Cross multiply
    31,923.45x = 47,890.24 × 9,731.75
  4. Step 4: Simplify right side
    31,923.45x = 466,055,579.34
  5. Step 5: Solve for x
    x = 466,055,579.34/31,923.45
  6. Step 6: Final answer
    x = 14,599.16

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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.