Home / 45,027.63-67,568.18-20,069.10

Finding the Fourth Proportional to 45,027.63, 67,568.18 and 20,069.10

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Solution

The fourth proportional to 45,027.63, 67,568.18 and 20,069.10 is: 30,115.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,027.63 : 67,568.18 = 20,069.10 : x
  2. Step 2: Convert to fraction form
    45,027.63/67,568.18 = 20,069.10/x
  3. Step 3: Cross multiply
    45,027.63x = 67,568.18 × 20,069.10
  4. Step 4: Simplify right side
    45,027.63x = 1,356,032,460.89
  5. Step 5: Solve for x
    x = 1,356,032,460.89/45,027.63
  6. Step 6: Final answer
    x = 30,115.56

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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.