Home / 36,697.05-50,641.81-20,781.77

Finding the Fourth Proportional to 36,697.05, 50,641.81 and 20,781.77

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Solution

The fourth proportional to 36,697.05, 50,641.81 and 20,781.77 is: 28,678.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,697.05 : 50,641.81 = 20,781.77 : x
  2. Step 2: Convert to fraction form
    36,697.05/50,641.81 = 20,781.77/x
  3. Step 3: Cross multiply
    36,697.05x = 50,641.81 × 20,781.77
  4. Step 4: Simplify right side
    36,697.05x = 1,052,426,142.64
  5. Step 5: Solve for x
    x = 1,052,426,142.64/36,697.05
  6. Step 6: Final answer
    x = 28,678.77

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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.