Home / 36,307.60-50,104.17-20,391.70

Finding the Fourth Proportional to 36,307.60, 50,104.17 and 20,391.70

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Solution

The fourth proportional to 36,307.60, 50,104.17 and 20,391.70 is: 28,140.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,307.60 : 50,104.17 = 20,391.70 : x
  2. Step 2: Convert to fraction form
    36,307.60/50,104.17 = 20,391.70/x
  3. Step 3: Cross multiply
    36,307.60x = 50,104.17 × 20,391.70
  4. Step 4: Simplify right side
    36,307.60x = 1,021,709,203.39
  5. Step 5: Solve for x
    x = 1,021,709,203.39/36,307.60
  6. Step 6: Final answer
    x = 28,140.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.