Home / 31,976.08-47,968.20-17,164.68

Finding the Fourth Proportional to 31,976.08, 47,968.20 and 17,164.68

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Solution

The fourth proportional to 31,976.08, 47,968.20 and 17,164.68 is: 25,749.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,976.08 : 47,968.20 = 17,164.68 : x
  2. Step 2: Convert to fraction form
    31,976.08/47,968.20 = 17,164.68/x
  3. Step 3: Cross multiply
    31,976.08x = 47,968.20 × 17,164.68
  4. Step 4: Simplify right side
    31,976.08x = 823,358,803.18
  5. Step 5: Solve for x
    x = 823,358,803.18/31,976.08
  6. Step 6: Final answer
    x = 25,749.21

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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.