Home / 53,305.21-79,958.09-22,140.49

Finding the Fourth Proportional to 53,305.21, 79,958.09 and 22,140.49

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Solution

The fourth proportional to 53,305.21, 79,958.09 and 22,140.49 is: 33,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,305.21 : 79,958.09 = 22,140.49 : x
  2. Step 2: Convert to fraction form
    53,305.21/79,958.09 = 22,140.49/x
  3. Step 3: Cross multiply
    53,305.21x = 79,958.09 × 22,140.49
  4. Step 4: Simplify right side
    53,305.21x = 1,770,311,292.06
  5. Step 5: Solve for x
    x = 1,770,311,292.06/53,305.21
  6. Step 6: Final answer
    x = 33,210.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.