Home / 48,408.43-72,641.07-20,326.33

Finding the Fourth Proportional to 48,408.43, 72,641.07 and 20,326.33

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Solution

The fourth proportional to 48,408.43, 72,641.07 and 20,326.33 is: 30,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,408.43 : 72,641.07 = 20,326.33 : x
  2. Step 2: Convert to fraction form
    48,408.43/72,641.07 = 20,326.33/x
  3. Step 3: Cross multiply
    48,408.43x = 72,641.07 × 20,326.33
  4. Step 4: Simplify right side
    48,408.43x = 1,476,526,102.55
  5. Step 5: Solve for x
    x = 1,476,526,102.55/48,408.43
  6. Step 6: Final answer
    x = 30,501.42

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1.5x scale

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.