Home / 53,217.92-79,783.59-19,919.33

Finding the Fourth Proportional to 53,217.92, 79,783.59 and 19,919.33

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Solution

The fourth proportional to 53,217.92, 79,783.59 and 19,919.33 is: 29,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,217.92 : 79,783.59 = 19,919.33 : x
  2. Step 2: Convert to fraction form
    53,217.92/79,783.59 = 19,919.33/x
  3. Step 3: Cross multiply
    53,217.92x = 79,783.59 × 19,919.33
  4. Step 4: Simplify right side
    53,217.92x = 1,589,235,632.76
  5. Step 5: Solve for x
    x = 1,589,235,632.76/53,217.92
  6. Step 6: Final answer
    x = 29,862.79

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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.