Home / 45,373.44-68,083.28-20,408.52

Finding the Fourth Proportional to 45,373.44, 68,083.28 and 20,408.52

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Solution

The fourth proportional to 45,373.44, 68,083.28 and 20,408.52 is: 30,623.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,373.44 : 68,083.28 = 20,408.52 : x
  2. Step 2: Convert to fraction form
    45,373.44/68,083.28 = 20,408.52/x
  3. Step 3: Cross multiply
    45,373.44x = 68,083.28 × 20,408.52
  4. Step 4: Simplify right side
    45,373.44x = 1,389,478,981.55
  5. Step 5: Solve for x
    x = 1,389,478,981.55/45,373.44
  6. Step 6: Final answer
    x = 30,623.18

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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.