Home / 36,324.64-50,126.61-20,409.76

Finding the Fourth Proportional to 36,324.64, 50,126.61 and 20,409.76

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Solution

The fourth proportional to 36,324.64, 50,126.61 and 20,409.76 is: 28,164.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,324.64 : 50,126.61 = 20,409.76 : x
  2. Step 2: Convert to fraction form
    36,324.64/50,126.61 = 20,409.76/x
  3. Step 3: Cross multiply
    36,324.64x = 50,126.61 × 20,409.76
  4. Step 4: Simplify right side
    36,324.64x = 1,023,072,079.71
  5. Step 5: Solve for x
    x = 1,023,072,079.71/36,324.64
  6. Step 6: Final answer
    x = 28,164.69

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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.