Home / 48,391.25-72,614.48-18,805.23

Finding the Fourth Proportional to 48,391.25, 72,614.48 and 18,805.23

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Solution

The fourth proportional to 48,391.25, 72,614.48 and 18,805.23 is: 28,218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,391.25 : 72,614.48 = 18,805.23 : x
  2. Step 2: Convert to fraction form
    48,391.25/72,614.48 = 18,805.23/x
  3. Step 3: Cross multiply
    48,391.25x = 72,614.48 × 18,805.23
  4. Step 4: Simplify right side
    48,391.25x = 1,365,531,903.70
  5. Step 5: Solve for x
    x = 1,365,531,903.70/48,391.25
  6. Step 6: Final answer
    x = 28,218.57

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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.