Home / 36,332.67-50,138.64-20,419.81

Finding the Fourth Proportional to 36,332.67, 50,138.64 and 20,419.81

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Solution

The fourth proportional to 36,332.67, 50,138.64 and 20,419.81 is: 28,179.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,332.67 : 50,138.64 = 20,419.81 : x
  2. Step 2: Convert to fraction form
    36,332.67/50,138.64 = 20,419.81/x
  3. Step 3: Cross multiply
    36,332.67x = 50,138.64 × 20,419.81
  4. Step 4: Simplify right side
    36,332.67x = 1,023,821,502.46
  5. Step 5: Solve for x
    x = 1,023,821,502.46/36,332.67
  6. Step 6: Final answer
    x = 28,179.09

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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.