Home / 39,345.36-59,015.04-19,618.56

Finding the Fourth Proportional to 39,345.36, 59,015.04 and 19,618.56

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Solution

The fourth proportional to 39,345.36, 59,015.04 and 19,618.56 is: 29,426.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,345.36 : 59,015.04 = 19,618.56 : x
  2. Step 2: Convert to fraction form
    39,345.36/59,015.04 = 19,618.56/x
  3. Step 3: Cross multiply
    39,345.36x = 59,015.04 × 19,618.56
  4. Step 4: Simplify right side
    39,345.36x = 1,157,790,103.14
  5. Step 5: Solve for x
    x = 1,157,790,103.14/39,345.36
  6. Step 6: Final answer
    x = 29,426.34

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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.