Home / 49,919.25-74,881.32-14,859.21

Finding the Fourth Proportional to 49,919.25, 74,881.32 and 14,859.21

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Solution

The fourth proportional to 49,919.25, 74,881.32 and 14,859.21 is: 22,289.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,919.25 : 74,881.32 = 14,859.21 : x
  2. Step 2: Convert to fraction form
    49,919.25/74,881.32 = 14,859.21/x
  3. Step 3: Cross multiply
    49,919.25x = 74,881.32 × 14,859.21
  4. Step 4: Simplify right side
    49,919.25x = 1,112,677,258.96
  5. Step 5: Solve for x
    x = 1,112,677,258.96/49,919.25
  6. Step 6: Final answer
    x = 22,289.54

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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.