Home / 36,895.86-50,916.84-20,128.86

Finding the Fourth Proportional to 36,895.86, 50,916.84 and 20,128.86

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Solution

The fourth proportional to 36,895.86, 50,916.84 and 20,128.86 is: 27,778.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,895.86 : 50,916.84 = 20,128.86 : x
  2. Step 2: Convert to fraction form
    36,895.86/50,916.84 = 20,128.86/x
  3. Step 3: Cross multiply
    36,895.86x = 50,916.84 × 20,128.86
  4. Step 4: Simplify right side
    36,895.86x = 1,024,897,944.00
  5. Step 5: Solve for x
    x = 1,024,897,944.00/36,895.86
  6. Step 6: Final answer
    x = 27,778.13

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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.