Home / 31,926.70-47,890.14-11,150.20

Finding the Fourth Proportional to 31,926.70, 47,890.14 and 11,150.20

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Solution

The fourth proportional to 31,926.70, 47,890.14 and 11,150.20 is: 16,725.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,926.70 : 47,890.14 = 11,150.20 : x
  2. Step 2: Convert to fraction form
    31,926.70/47,890.14 = 11,150.20/x
  3. Step 3: Cross multiply
    31,926.70x = 47,890.14 × 11,150.20
  4. Step 4: Simplify right side
    31,926.70x = 533,984,639.03
  5. Step 5: Solve for x
    x = 533,984,639.03/31,926.70
  6. Step 6: Final answer
    x = 16,725.33

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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.