Home / 54,416.36-81,605.34-19,349.48

Finding the Fourth Proportional to 54,416.36, 81,605.34 and 19,349.48

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Solution

The fourth proportional to 54,416.36, 81,605.34 and 19,349.48 is: 29,017.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,416.36 : 81,605.34 = 19,349.48 : x
  2. Step 2: Convert to fraction form
    54,416.36/81,605.34 = 19,349.48/x
  3. Step 3: Cross multiply
    54,416.36x = 81,605.34 × 19,349.48
  4. Step 4: Simplify right side
    54,416.36x = 1,579,020,894.22
  5. Step 5: Solve for x
    x = 1,579,020,894.22/54,416.36
  6. Step 6: Final answer
    x = 29,017.39

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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.