Home / 31,931.22-47,896.83-9,744.72

Finding the Fourth Proportional to 31,931.22, 47,896.83 and 9,744.72

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Solution

The fourth proportional to 31,931.22, 47,896.83 and 9,744.72 is: 14,617.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,931.22 : 47,896.83 = 9,744.72 : x
  2. Step 2: Convert to fraction form
    31,931.22/47,896.83 = 9,744.72/x
  3. Step 3: Cross multiply
    31,931.22x = 47,896.83 × 9,744.72
  4. Step 4: Simplify right side
    31,931.22x = 466,741,197.24
  5. Step 5: Solve for x
    x = 466,741,197.24/31,931.22
  6. Step 6: Final answer
    x = 14,617.08

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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.