Home / 62,743.60-94,115.40-21,190.60

Finding the Fourth Proportional to 62,743.60, 94,115.40 and 21,190.60

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Solution

The fourth proportional to 62,743.60, 94,115.40 and 21,190.60 is: 31,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,743.60 : 94,115.40 = 21,190.60 : x
  2. Step 2: Convert to fraction form
    62,743.60/94,115.40 = 21,190.60/x
  3. Step 3: Cross multiply
    62,743.60x = 94,115.40 × 21,190.60
  4. Step 4: Simplify right side
    62,743.60x = 1,994,361,795.24
  5. Step 5: Solve for x
    x = 1,994,361,795.24/62,743.60
  6. Step 6: Final answer
    x = 31,785.90

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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.