Home / 68,622.02-102,918.60-19,362.50

Finding the Fourth Proportional to 68,622.02, 102,918.60 and 19,362.50

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Solution

The fourth proportional to 68,622.02, 102,918.60 and 19,362.50 is: 29,039.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,622.02 : 102,918.60 = 19,362.50 : x
  2. Step 2: Convert to fraction form
    68,622.02/102,918.60 = 19,362.50/x
  3. Step 3: Cross multiply
    68,622.02x = 102,918.60 × 19,362.50
  4. Step 4: Simplify right side
    68,622.02x = 1,992,761,392.50
  5. Step 5: Solve for x
    x = 1,992,761,392.50/68,622.02
  6. Step 6: Final answer
    x = 29,039.68

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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.