Home / 36,334.51-50,130.05-21,989.75

Finding the Fourth Proportional to 36,334.51, 50,130.05 and 21,989.75

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Solution

The fourth proportional to 36,334.51, 50,130.05 and 21,989.75 is: 30,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,334.51 : 50,130.05 = 21,989.75 : x
  2. Step 2: Convert to fraction form
    36,334.51/50,130.05 = 21,989.75/x
  3. Step 3: Cross multiply
    36,334.51x = 50,130.05 × 21,989.75
  4. Step 4: Simplify right side
    36,334.51x = 1,102,347,157.04
  5. Step 5: Solve for x
    x = 1,102,347,157.04/36,334.51
  6. Step 6: Final answer
    x = 30,338.85

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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.