Home / 36,307.42-50,104.43-20,391.87

Finding the Fourth Proportional to 36,307.42, 50,104.43 and 20,391.87

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Solution

The fourth proportional to 36,307.42, 50,104.43 and 20,391.87 is: 28,140.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,307.42 : 50,104.43 = 20,391.87 : x
  2. Step 2: Convert to fraction form
    36,307.42/50,104.43 = 20,391.87/x
  3. Step 3: Cross multiply
    36,307.42x = 50,104.43 × 20,391.87
  4. Step 4: Simplify right side
    36,307.42x = 1,021,723,018.25
  5. Step 5: Solve for x
    x = 1,021,723,018.25/36,307.42
  6. Step 6: Final answer
    x = 28,140.89

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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.