Home / 31,537.64-47,320.43-16,742.99

Finding the Fourth Proportional to 31,537.64, 47,320.43 and 16,742.99

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Solution

The fourth proportional to 31,537.64, 47,320.43 and 16,742.99 is: 25,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,537.64 : 47,320.43 = 16,742.99 : x
  2. Step 2: Convert to fraction form
    31,537.64/47,320.43 = 16,742.99/x
  3. Step 3: Cross multiply
    31,537.64x = 47,320.43 × 16,742.99
  4. Step 4: Simplify right side
    31,537.64x = 792,285,486.29
  5. Step 5: Solve for x
    x = 792,285,486.29/31,537.64
  6. Step 6: Final answer
    x = 25,121.90

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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.