Home / 54,985.12-82,477.64-19,472.48

Finding the Fourth Proportional to 54,985.12, 82,477.64 and 19,472.48

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Solution

The fourth proportional to 54,985.12, 82,477.64 and 19,472.48 is: 29,208.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,985.12 : 82,477.64 = 19,472.48 : x
  2. Step 2: Convert to fraction form
    54,985.12/82,477.64 = 19,472.48/x
  3. Step 3: Cross multiply
    54,985.12x = 82,477.64 × 19,472.48
  4. Step 4: Simplify right side
    54,985.12x = 1,606,044,195.35
  5. Step 5: Solve for x
    x = 1,606,044,195.35/54,985.12
  6. Step 6: Final answer
    x = 29,208.71

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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.