Home / 31,447.44-43,398.28-17,108.16

Finding the Fourth Proportional to 31,447.44, 43,398.28 and 17,108.16

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Solution

The fourth proportional to 31,447.44, 43,398.28 and 17,108.16 is: 23,609.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,447.44 : 43,398.28 = 17,108.16 : x
  2. Step 2: Convert to fraction form
    31,447.44/43,398.28 = 17,108.16/x
  3. Step 3: Cross multiply
    31,447.44x = 43,398.28 × 17,108.16
  4. Step 4: Simplify right side
    31,447.44x = 742,464,820.72
  5. Step 5: Solve for x
    x = 742,464,820.72/31,447.44
  6. Step 6: Final answer
    x = 23,609.71

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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.