Home / 57,378.82-86,033-19,922.80

Finding the Fourth Proportional to 57,378.82, 86,033 and 19,922.80

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Solution

The fourth proportional to 57,378.82, 86,033 and 19,922.80 is: 29,871.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,378.82 : 86,033 = 19,922.80 : x
  2. Step 2: Convert to fraction form
    57,378.82/86,033 = 19,922.80/x
  3. Step 3: Cross multiply
    57,378.82x = 86,033 × 19,922.80
  4. Step 4: Simplify right side
    57,378.82x = 1,714,018,252.40
  5. Step 5: Solve for x
    x = 1,714,018,252.40/57,378.82
  6. Step 6: Final answer
    x = 29,871.97

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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.