Home / 54,923.72-82,391.98-19,879.88

Finding the Fourth Proportional to 54,923.72, 82,391.98 and 19,879.88

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Solution

The fourth proportional to 54,923.72, 82,391.98 and 19,879.88 is: 29,822.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,923.72 : 82,391.98 = 19,879.88 : x
  2. Step 2: Convert to fraction form
    54,923.72/82,391.98 = 19,879.88/x
  3. Step 3: Cross multiply
    54,923.72x = 82,391.98 × 19,879.88
  4. Step 4: Simplify right side
    54,923.72x = 1,637,942,675.36
  5. Step 5: Solve for x
    x = 1,637,942,675.36/54,923.72
  6. Step 6: Final answer
    x = 29,822.14

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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.