Home / 54,923.61-82,385.41-19,855.07

Finding the Fourth Proportional to 54,923.61, 82,385.41 and 19,855.07

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Solution

The fourth proportional to 54,923.61, 82,385.41 and 19,855.07 is: 29,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,923.61 : 82,385.41 = 19,855.07 : x
  2. Step 2: Convert to fraction form
    54,923.61/82,385.41 = 19,855.07/x
  3. Step 3: Cross multiply
    54,923.61x = 82,385.41 × 19,855.07
  4. Step 4: Simplify right side
    54,923.61x = 1,635,768,082.53
  5. Step 5: Solve for x
    x = 1,635,768,082.53/54,923.61
  6. Step 6: Final answer
    x = 29,782.60

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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.