Home / 49,617.60-74,512.80-26,289.60

Finding the Fourth Proportional to 49,617.60, 74,512.80 and 26,289.60

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Solution

The fourth proportional to 49,617.60, 74,512.80 and 26,289.60 is: 39,480.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,617.60 : 74,512.80 = 26,289.60 : x
  2. Step 2: Convert to fraction form
    49,617.60/74,512.80 = 26,289.60/x
  3. Step 3: Cross multiply
    49,617.60x = 74,512.80 × 26,289.60
  4. Step 4: Simplify right side
    49,617.60x = 1,958,911,706.88
  5. Step 5: Solve for x
    x = 1,958,911,706.88/49,617.60
  6. Step 6: Final answer
    x = 39,480.18

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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.