Home / 54,684.36-81,969.66-39,655.08

Finding the Fourth Proportional to 54,684.36, 81,969.66 and 39,655.08

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Solution

The fourth proportional to 54,684.36, 81,969.66 and 39,655.08 is: 59,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,684.36 : 81,969.66 = 39,655.08 : x
  2. Step 2: Convert to fraction form
    54,684.36/81,969.66 = 39,655.08/x
  3. Step 3: Cross multiply
    54,684.36x = 81,969.66 × 39,655.08
  4. Step 4: Simplify right side
    54,684.36x = 3,250,513,424.87
  5. Step 5: Solve for x
    x = 3,250,513,424.87/54,684.36
  6. Step 6: Final answer
    x = 59,441.37

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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.