Home / 36,505.21-50,367.63-21,389.76

Finding the Fourth Proportional to 36,505.21, 50,367.63 and 21,389.76

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Solution

The fourth proportional to 36,505.21, 50,367.63 and 21,389.76 is: 29,512.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,505.21 : 50,367.63 = 21,389.76 : x
  2. Step 2: Convert to fraction form
    36,505.21/50,367.63 = 21,389.76/x
  3. Step 3: Cross multiply
    36,505.21x = 50,367.63 × 21,389.76
  4. Step 4: Simplify right side
    36,505.21x = 1,077,351,679.18
  5. Step 5: Solve for x
    x = 1,077,351,679.18/36,505.21
  6. Step 6: Final answer
    x = 29,512.27

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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.