Home / 31,823.55-47,761.25-16,836.12

Finding the Fourth Proportional to 31,823.55, 47,761.25 and 16,836.12

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Solution

The fourth proportional to 31,823.55, 47,761.25 and 16,836.12 is: 25,267.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,823.55 : 47,761.25 = 16,836.12 : x
  2. Step 2: Convert to fraction form
    31,823.55/47,761.25 = 16,836.12/x
  3. Step 3: Cross multiply
    31,823.55x = 47,761.25 × 16,836.12
  4. Step 4: Simplify right side
    31,823.55x = 804,114,052.17
  5. Step 5: Solve for x
    x = 804,114,052.17/31,823.55
  6. Step 6: Final answer
    x = 25,267.89

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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.