Home / 31,520.52-47,291.57-10,758.60

Finding the Fourth Proportional to 31,520.52, 47,291.57 and 10,758.60

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Solution

The fourth proportional to 31,520.52, 47,291.57 and 10,758.60 is: 16,141.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,520.52 : 47,291.57 = 10,758.60 : x
  2. Step 2: Convert to fraction form
    31,520.52/47,291.57 = 10,758.60/x
  3. Step 3: Cross multiply
    31,520.52x = 47,291.57 × 10,758.60
  4. Step 4: Simplify right side
    31,520.52x = 508,790,875.44
  5. Step 5: Solve for x
    x = 508,790,875.44/31,520.52
  6. Step 6: Final answer
    x = 16,141.58

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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.