Home / 57,909.24-86,874.86-19,948.44

Finding the Fourth Proportional to 57,909.24, 86,874.86 and 19,948.44

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Solution

The fourth proportional to 57,909.24, 86,874.86 and 19,948.44 is: 29,926.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,909.24 : 86,874.86 = 19,948.44 : x
  2. Step 2: Convert to fraction form
    57,909.24/86,874.86 = 19,948.44/x
  3. Step 3: Cross multiply
    57,909.24x = 86,874.86 × 19,948.44
  4. Step 4: Simplify right side
    57,909.24x = 1,733,017,932.22
  5. Step 5: Solve for x
    x = 1,733,017,932.22/57,909.24
  6. Step 6: Final answer
    x = 29,926.45

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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.