Home / 31,450.60-47,162.46-10,664.68

Finding the Fourth Proportional to 31,450.60, 47,162.46 and 10,664.68

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Solution

The fourth proportional to 31,450.60, 47,162.46 and 10,664.68 is: 15,992.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,450.60 : 47,162.46 = 10,664.68 : x
  2. Step 2: Convert to fraction form
    31,450.60/47,162.46 = 10,664.68/x
  3. Step 3: Cross multiply
    31,450.60x = 47,162.46 × 10,664.68
  4. Step 4: Simplify right side
    31,450.60x = 502,972,543.91
  5. Step 5: Solve for x
    x = 502,972,543.91/31,450.60
  6. Step 6: Final answer
    x = 15,992.46

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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.