Home / 31,682.08-43,721.32-17,343.28

Finding the Fourth Proportional to 31,682.08, 43,721.32 and 17,343.28

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Solution

The fourth proportional to 31,682.08, 43,721.32 and 17,343.28 is: 23,933.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,682.08 : 43,721.32 = 17,343.28 : x
  2. Step 2: Convert to fraction form
    31,682.08/43,721.32 = 17,343.28/x
  3. Step 3: Cross multiply
    31,682.08x = 43,721.32 × 17,343.28
  4. Step 4: Simplify right side
    31,682.08x = 758,271,094.73
  5. Step 5: Solve for x
    x = 758,271,094.73/31,682.08
  6. Step 6: Final answer
    x = 23,933.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.