Home / 31,446.64-43,396.47-17,106.46

Finding the Fourth Proportional to 31,446.64, 43,396.47 and 17,106.46

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Solution

The fourth proportional to 31,446.64, 43,396.47 and 17,106.46 is: 23,606.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,446.64 : 43,396.47 = 17,106.46 : x
  2. Step 2: Convert to fraction form
    31,446.64/43,396.47 = 17,106.46/x
  3. Step 3: Cross multiply
    31,446.64x = 43,396.47 × 17,106.46
  4. Step 4: Simplify right side
    31,446.64x = 742,359,978.20
  5. Step 5: Solve for x
    x = 742,359,978.20/31,446.64
  6. Step 6: Final answer
    x = 23,606.97

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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.