Home / 57,964.20-86,903.76-18,498.56

Finding the Fourth Proportional to 57,964.20, 86,903.76 and 18,498.56

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Solution

The fourth proportional to 57,964.20, 86,903.76 and 18,498.56 is: 27,734.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,964.20 : 86,903.76 = 18,498.56 : x
  2. Step 2: Convert to fraction form
    57,964.20/86,903.76 = 18,498.56/x
  3. Step 3: Cross multiply
    57,964.20x = 86,903.76 × 18,498.56
  4. Step 4: Simplify right side
    57,964.20x = 1,607,594,418.59
  5. Step 5: Solve for x
    x = 1,607,594,418.59/57,964.20
  6. Step 6: Final answer
    x = 27,734.26

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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.