Home / 48,217.99-72,338.53-20,122.41

Finding the Fourth Proportional to 48,217.99, 72,338.53 and 20,122.41

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Solution

The fourth proportional to 48,217.99, 72,338.53 and 20,122.41 is: 30,188.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,217.99 : 72,338.53 = 20,122.41 : x
  2. Step 2: Convert to fraction form
    48,217.99/72,338.53 = 20,122.41/x
  3. Step 3: Cross multiply
    48,217.99x = 72,338.53 × 20,122.41
  4. Step 4: Simplify right side
    48,217.99x = 1,455,625,559.46
  5. Step 5: Solve for x
    x = 1,455,625,559.46/48,217.99
  6. Step 6: Final answer
    x = 30,188.43

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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.