Home / 31,759.28-47,640.72-9,575.72

Finding the Fourth Proportional to 31,759.28, 47,640.72 and 9,575.72

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Solution

The fourth proportional to 31,759.28, 47,640.72 and 9,575.72 is: 14,364.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,759.28 : 47,640.72 = 9,575.72 : x
  2. Step 2: Convert to fraction form
    31,759.28/47,640.72 = 9,575.72/x
  3. Step 3: Cross multiply
    31,759.28x = 47,640.72 × 9,575.72
  4. Step 4: Simplify right side
    31,759.28x = 456,194,195.32
  5. Step 5: Solve for x
    x = 456,194,195.32/31,759.28
  6. Step 6: Final answer
    x = 14,364.12

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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.