Home / 31,451.52-47,169.72-9,258.87

Finding the Fourth Proportional to 31,451.52, 47,169.72 and 9,258.87

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Solution

The fourth proportional to 31,451.52, 47,169.72 and 9,258.87 is: 13,886.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,451.52 : 47,169.72 = 9,258.87 : x
  2. Step 2: Convert to fraction form
    31,451.52/47,169.72 = 9,258.87/x
  3. Step 3: Cross multiply
    31,451.52x = 47,169.72 × 9,258.87
  4. Step 4: Simplify right side
    31,451.52x = 436,738,305.42
  5. Step 5: Solve for x
    x = 436,738,305.42/31,451.52
  6. Step 6: Final answer
    x = 13,886.08

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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.