Home / 34,921.99-48,183.91-20,582.40

Finding the Fourth Proportional to 34,921.99, 48,183.91 and 20,582.40

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Solution

The fourth proportional to 34,921.99, 48,183.91 and 20,582.40 is: 28,398.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,921.99 : 48,183.91 = 20,582.40 : x
  2. Step 2: Convert to fraction form
    34,921.99/48,183.91 = 20,582.40/x
  3. Step 3: Cross multiply
    34,921.99x = 48,183.91 × 20,582.40
  4. Step 4: Simplify right side
    34,921.99x = 991,740,754.19
  5. Step 5: Solve for x
    x = 991,740,754.19/34,921.99
  6. Step 6: Final answer
    x = 28,398.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.