Home / 53,301.75-79,953.03-18,241.71

Finding the Fourth Proportional to 53,301.75, 79,953.03 and 18,241.71

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Solution

The fourth proportional to 53,301.75, 79,953.03 and 18,241.71 is: 27,362.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,301.75 : 79,953.03 = 18,241.71 : x
  2. Step 2: Convert to fraction form
    53,301.75/79,953.03 = 18,241.71/x
  3. Step 3: Cross multiply
    53,301.75x = 79,953.03 × 18,241.71
  4. Step 4: Simplify right side
    53,301.75x = 1,458,479,986.88
  5. Step 5: Solve for x
    x = 1,458,479,986.88/53,301.75
  6. Step 6: Final answer
    x = 27,362.70

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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.