Home / 57,965.43-86,948.34-20,525.52

Finding the Fourth Proportional to 57,965.43, 86,948.34 and 20,525.52

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Solution

The fourth proportional to 57,965.43, 86,948.34 and 20,525.52 is: 30,788.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,965.43 : 86,948.34 = 20,525.52 : x
  2. Step 2: Convert to fraction form
    57,965.43/86,948.34 = 20,525.52/x
  3. Step 3: Cross multiply
    57,965.43x = 86,948.34 × 20,525.52
  4. Step 4: Simplify right side
    57,965.43x = 1,784,659,891.64
  5. Step 5: Solve for x
    x = 1,784,659,891.64/57,965.43
  6. Step 6: Final answer
    x = 30,788.35

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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.