Home / 36,302.26-50,100.78-20,385.76

Finding the Fourth Proportional to 36,302.26, 50,100.78 and 20,385.76

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Solution

The fourth proportional to 36,302.26, 50,100.78 and 20,385.76 is: 28,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,302.26 : 50,100.78 = 20,385.76 : x
  2. Step 2: Convert to fraction form
    36,302.26/50,100.78 = 20,385.76/x
  3. Step 3: Cross multiply
    36,302.26x = 50,100.78 × 20,385.76
  4. Step 4: Simplify right side
    36,302.26x = 1,021,342,476.89
  5. Step 5: Solve for x
    x = 1,021,342,476.89/36,302.26
  6. Step 6: Final answer
    x = 28,134.40

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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.