Home / 33,117.60-49,784.40-28,840.80

Finding the Fourth Proportional to 33,117.60, 49,784.40 and 28,840.80

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Solution

The fourth proportional to 33,117.60, 49,784.40 and 28,840.80 is: 43,355.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,117.60 : 49,784.40 = 28,840.80 : x
  2. Step 2: Convert to fraction form
    33,117.60/49,784.40 = 28,840.80/x
  3. Step 3: Cross multiply
    33,117.60x = 49,784.40 × 28,840.80
  4. Step 4: Simplify right side
    33,117.60x = 1,435,821,923.52
  5. Step 5: Solve for x
    x = 1,435,821,923.52/33,117.60
  6. Step 6: Final answer
    x = 43,355.25

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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.