Home / 31,632.82-47,448.30-8,259.26

Finding the Fourth Proportional to 31,632.82, 47,448.30 and 8,259.26

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Solution

The fourth proportional to 31,632.82, 47,448.30 and 8,259.26 is: 12,388.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,632.82 : 47,448.30 = 8,259.26 : x
  2. Step 2: Convert to fraction form
    31,632.82/47,448.30 = 8,259.26/x
  3. Step 3: Cross multiply
    31,632.82x = 47,448.30 × 8,259.26
  4. Step 4: Simplify right side
    31,632.82x = 391,887,639.99
  5. Step 5: Solve for x
    x = 391,887,639.99/31,632.82
  6. Step 6: Final answer
    x = 12,388.64

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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.