Home / 31,837.92-47,776.92-17,807.13

Finding the Fourth Proportional to 31,837.92, 47,776.92 and 17,807.13

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Solution

The fourth proportional to 31,837.92, 47,776.92 and 17,807.13 is: 26,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,837.92 : 47,776.92 = 17,807.13 : x
  2. Step 2: Convert to fraction form
    31,837.92/47,776.92 = 17,807.13/x
  3. Step 3: Cross multiply
    31,837.92x = 47,776.92 × 17,807.13
  4. Step 4: Simplify right side
    31,837.92x = 850,769,825.44
  5. Step 5: Solve for x
    x = 850,769,825.44/31,837.92
  6. Step 6: Final answer
    x = 26,721.90

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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.