Home / 55,586.25-83,388.02-18,658.89

Finding the Fourth Proportional to 55,586.25, 83,388.02 and 18,658.89

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Solution

The fourth proportional to 55,586.25, 83,388.02 and 18,658.89 is: 27,991.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,586.25 : 83,388.02 = 18,658.89 : x
  2. Step 2: Convert to fraction form
    55,586.25/83,388.02 = 18,658.89/x
  3. Step 3: Cross multiply
    55,586.25x = 83,388.02 × 18,658.89
  4. Step 4: Simplify right side
    55,586.25x = 1,555,927,799.20
  5. Step 5: Solve for x
    x = 1,555,927,799.20/55,586.25
  6. Step 6: Final answer
    x = 27,991.24

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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.