Home / 38,947.82-58,398.36-17,861.45

Finding the Fourth Proportional to 38,947.82, 58,398.36 and 17,861.45

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Solution

The fourth proportional to 38,947.82, 58,398.36 and 17,861.45 is: 26,781.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,947.82 : 58,398.36 = 17,861.45 : x
  2. Step 2: Convert to fraction form
    38,947.82/58,398.36 = 17,861.45/x
  3. Step 3: Cross multiply
    38,947.82x = 58,398.36 × 17,861.45
  4. Step 4: Simplify right side
    38,947.82x = 1,043,079,533.22
  5. Step 5: Solve for x
    x = 1,043,079,533.22/38,947.82
  6. Step 6: Final answer
    x = 26,781.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.