Home / 52,749.88-79,143.12-30,582.52

Finding the Fourth Proportional to 52,749.88, 79,143.12 and 30,582.52

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Solution

The fourth proportional to 52,749.88, 79,143.12 and 30,582.52 is: 45,884.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,749.88 : 79,143.12 = 30,582.52 : x
  2. Step 2: Convert to fraction form
    52,749.88/79,143.12 = 30,582.52/x
  3. Step 3: Cross multiply
    52,749.88x = 79,143.12 × 30,582.52
  4. Step 4: Simplify right side
    52,749.88x = 2,420,396,050.26
  5. Step 5: Solve for x
    x = 2,420,396,050.26/52,749.88
  6. Step 6: Final answer
    x = 45,884.39

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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.