Home / 39,974.92-59,956.91-11,899.31

Finding the Fourth Proportional to 39,974.92, 59,956.91 and 11,899.31

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Solution

The fourth proportional to 39,974.92, 59,956.91 and 11,899.31 is: 17,847.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,974.92 : 59,956.91 = 11,899.31 : x
  2. Step 2: Convert to fraction form
    39,974.92/59,956.91 = 11,899.31/x
  3. Step 3: Cross multiply
    39,974.92x = 59,956.91 × 11,899.31
  4. Step 4: Simplify right side
    39,974.92x = 713,445,888.48
  5. Step 5: Solve for x
    x = 713,445,888.48/39,974.92
  6. Step 6: Final answer
    x = 17,847.34

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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.