Home / 53,305.50-79,958.67-18,245.46

Finding the Fourth Proportional to 53,305.50, 79,958.67 and 18,245.46

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Solution

The fourth proportional to 53,305.50, 79,958.67 and 18,245.46 is: 27,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,305.50 : 79,958.67 = 18,245.46 : x
  2. Step 2: Convert to fraction form
    53,305.50/79,958.67 = 18,245.46/x
  3. Step 3: Cross multiply
    53,305.50x = 79,958.67 × 18,245.46
  4. Step 4: Simplify right side
    53,305.50x = 1,458,882,715.14
  5. Step 5: Solve for x
    x = 1,458,882,715.14/53,305.50
  6. Step 6: Final answer
    x = 27,368.33

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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.