Home / 51,871.30-77,798.37-18,586.42

Finding the Fourth Proportional to 51,871.30, 77,798.37 and 18,586.42

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Solution

The fourth proportional to 51,871.30, 77,798.37 and 18,586.42 is: 27,876.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,871.30 : 77,798.37 = 18,586.42 : x
  2. Step 2: Convert to fraction form
    51,871.30/77,798.37 = 18,586.42/x
  3. Step 3: Cross multiply
    51,871.30x = 77,798.37 × 18,586.42
  4. Step 4: Simplify right side
    51,871.30x = 1,445,993,180.14
  5. Step 5: Solve for x
    x = 1,445,993,180.14/51,871.30
  6. Step 6: Final answer
    x = 27,876.56

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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.