Home / 53,302.24-79,958.40-18,251.20

Finding the Fourth Proportional to 53,302.24, 79,958.40 and 18,251.20

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Solution

The fourth proportional to 53,302.24, 79,958.40 and 18,251.20 is: 27,378.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,302.24 : 79,958.40 = 18,251.20 : x
  2. Step 2: Convert to fraction form
    53,302.24/79,958.40 = 18,251.20/x
  3. Step 3: Cross multiply
    53,302.24x = 79,958.40 × 18,251.20
  4. Step 4: Simplify right side
    53,302.24x = 1,459,336,750.08
  5. Step 5: Solve for x
    x = 1,459,336,750.08/53,302.24
  6. Step 6: Final answer
    x = 27,378.53

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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.