Home / 39,626.72-59,438.64-11,924

Finding the Fourth Proportional to 39,626.72, 59,438.64 and 11,924

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Solution

The fourth proportional to 39,626.72, 59,438.64 and 11,924 is: 17,885.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,626.72 : 59,438.64 = 11,924 : x
  2. Step 2: Convert to fraction form
    39,626.72/59,438.64 = 11,924/x
  3. Step 3: Cross multiply
    39,626.72x = 59,438.64 × 11,924
  4. Step 4: Simplify right side
    39,626.72x = 708,746,343.36
  5. Step 5: Solve for x
    x = 708,746,343.36/39,626.72
  6. Step 6: Final answer
    x = 17,885.57

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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.