Home / 45,233.85-67,850.95-18,920.14

Finding the Fourth Proportional to 45,233.85, 67,850.95 and 18,920.14

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Solution

The fourth proportional to 45,233.85, 67,850.95 and 18,920.14 is: 28,380.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,233.85 : 67,850.95 = 18,920.14 : x
  2. Step 2: Convert to fraction form
    45,233.85/67,850.95 = 18,920.14/x
  3. Step 3: Cross multiply
    45,233.85x = 67,850.95 × 18,920.14
  4. Step 4: Simplify right side
    45,233.85x = 1,283,749,256.21
  5. Step 5: Solve for x
    x = 1,283,749,256.21/45,233.85
  6. Step 6: Final answer
    x = 28,380.28

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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.