Home / 36,330.67-50,135.88-20,417.81

Finding the Fourth Proportional to 36,330.67, 50,135.88 and 20,417.81

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Solution

The fourth proportional to 36,330.67, 50,135.88 and 20,417.81 is: 28,176.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,330.67 : 50,135.88 = 20,417.81 : x
  2. Step 2: Convert to fraction form
    36,330.67/50,135.88 = 20,417.81/x
  3. Step 3: Cross multiply
    36,330.67x = 50,135.88 × 20,417.81
  4. Step 4: Simplify right side
    36,330.67x = 1,023,664,997.36
  5. Step 5: Solve for x
    x = 1,023,664,997.36/36,330.67
  6. Step 6: Final answer
    x = 28,176.33

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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.