Home / 57,922.52-86,890.92-20,474.88

Finding the Fourth Proportional to 57,922.52, 86,890.92 and 20,474.88

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Solution

The fourth proportional to 57,922.52, 86,890.92 and 20,474.88 is: 30,714.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,922.52 : 86,890.92 = 20,474.88 : x
  2. Step 2: Convert to fraction form
    57,922.52/86,890.92 = 20,474.88/x
  3. Step 3: Cross multiply
    57,922.52x = 86,890.92 × 20,474.88
  4. Step 4: Simplify right side
    57,922.52x = 1,779,081,160.09
  5. Step 5: Solve for x
    x = 1,779,081,160.09/57,922.52
  6. Step 6: Final answer
    x = 30,714.84

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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.