Home / 54,123.36-81,192.69-16,686.48

Finding the Fourth Proportional to 54,123.36, 81,192.69 and 16,686.48

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Solution

The fourth proportional to 54,123.36, 81,192.69 and 16,686.48 is: 25,032.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,123.36 : 81,192.69 = 16,686.48 : x
  2. Step 2: Convert to fraction form
    54,123.36/81,192.69 = 16,686.48/x
  3. Step 3: Cross multiply
    54,123.36x = 81,192.69 × 16,686.48
  4. Step 4: Simplify right side
    54,123.36x = 1,354,820,197.83
  5. Step 5: Solve for x
    x = 1,354,820,197.83/54,123.36
  6. Step 6: Final answer
    x = 25,032.08

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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.