Home / 66,783.02-100,190.72-20,035.89

Finding the Fourth Proportional to 66,783.02, 100,190.72 and 20,035.89

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Solution

The fourth proportional to 66,783.02, 100,190.72 and 20,035.89 is: 30,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,783.02 : 100,190.72 = 20,035.89 : x
  2. Step 2: Convert to fraction form
    66,783.02/100,190.72 = 20,035.89/x
  3. Step 3: Cross multiply
    66,783.02x = 100,190.72 × 20,035.89
  4. Step 4: Simplify right side
    66,783.02x = 2,007,410,295.03
  5. Step 5: Solve for x
    x = 2,007,410,295.03/66,783.02
  6. Step 6: Final answer
    x = 30,058.70

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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.