Home / 31,537.77-47,320.62-16,743.12

Finding the Fourth Proportional to 31,537.77, 47,320.62 and 16,743.12

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Solution

The fourth proportional to 31,537.77, 47,320.62 and 16,743.12 is: 25,122.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,537.77 : 47,320.62 = 16,743.12 : x
  2. Step 2: Convert to fraction form
    31,537.77/47,320.62 = 16,743.12/x
  3. Step 3: Cross multiply
    31,537.77x = 47,320.62 × 16,743.12
  4. Step 4: Simplify right side
    31,537.77x = 792,294,819.13
  5. Step 5: Solve for x
    x = 792,294,819.13/31,537.77
  6. Step 6: Final answer
    x = 25,122.09

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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.