Home / 31,447.59-43,398.57-17,301.34

Finding the Fourth Proportional to 31,447.59, 43,398.57 and 17,301.34

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Solution

The fourth proportional to 31,447.59, 43,398.57 and 17,301.34 is: 23,876.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,447.59 : 43,398.57 = 17,301.34 : x
  2. Step 2: Convert to fraction form
    31,447.59/43,398.57 = 17,301.34/x
  3. Step 3: Cross multiply
    31,447.59x = 43,398.57 × 17,301.34
  4. Step 4: Simplify right side
    31,447.59x = 750,853,415.08
  5. Step 5: Solve for x
    x = 750,853,415.08/31,447.59
  6. Step 6: Final answer
    x = 23,876.34

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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.