Home / 45,096.66-67,661.06-20,134.48

Finding the Fourth Proportional to 45,096.66, 67,661.06 and 20,134.48

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Solution

The fourth proportional to 45,096.66, 67,661.06 and 20,134.48 is: 30,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,096.66 : 67,661.06 = 20,134.48 : x
  2. Step 2: Convert to fraction form
    45,096.66/67,661.06 = 20,134.48/x
  3. Step 3: Cross multiply
    45,096.66x = 67,661.06 × 20,134.48
  4. Step 4: Simplify right side
    45,096.66x = 1,362,320,259.35
  5. Step 5: Solve for x
    x = 1,362,320,259.35/45,096.66
  6. Step 6: Final answer
    x = 30,208.89

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1.5x scale

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.