Home / 48,645.20-72,927.30-20,586.80

Finding the Fourth Proportional to 48,645.20, 72,927.30 and 20,586.80

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Solution

The fourth proportional to 48,645.20, 72,927.30 and 20,586.80 is: 30,863.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,645.20 : 72,927.30 = 20,586.80 : x
  2. Step 2: Convert to fraction form
    48,645.20/72,927.30 = 20,586.80/x
  3. Step 3: Cross multiply
    48,645.20x = 72,927.30 × 20,586.80
  4. Step 4: Simplify right side
    48,645.20x = 1,501,339,739.64
  5. Step 5: Solve for x
    x = 1,501,339,739.64/48,645.20
  6. Step 6: Final answer
    x = 30,863.06

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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.