Home / 57,360.18-86,027.30-21,808.82

Finding the Fourth Proportional to 57,360.18, 86,027.30 and 21,808.82

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Solution

The fourth proportional to 57,360.18, 86,027.30 and 21,808.82 is: 32,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,360.18 : 86,027.30 = 21,808.82 : x
  2. Step 2: Convert to fraction form
    57,360.18/86,027.30 = 21,808.82/x
  3. Step 3: Cross multiply
    57,360.18x = 86,027.30 × 21,808.82
  4. Step 4: Simplify right side
    57,360.18x = 1,876,154,048.39
  5. Step 5: Solve for x
    x = 1,876,154,048.39/57,360.18
  6. Step 6: Final answer
    x = 32,708.30

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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.