Home / 31,461.28-43,416.54-17,313.82

Finding the Fourth Proportional to 31,461.28, 43,416.54 and 17,313.82

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Solution

The fourth proportional to 31,461.28, 43,416.54 and 17,313.82 is: 23,893.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,461.28 : 43,416.54 = 17,313.82 : x
  2. Step 2: Convert to fraction form
    31,461.28/43,416.54 = 17,313.82/x
  3. Step 3: Cross multiply
    31,461.28x = 43,416.54 × 17,313.82
  4. Step 4: Simplify right side
    31,461.28x = 751,706,158.58
  5. Step 5: Solve for x
    x = 751,706,158.58/31,461.28
  6. Step 6: Final answer
    x = 23,893.06

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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.