Home / 39,072.42-58,619.52-18,018.90

Finding the Fourth Proportional to 39,072.42, 58,619.52 and 18,018.90

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Solution

The fourth proportional to 39,072.42, 58,619.52 and 18,018.90 is: 27,033.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,072.42 : 58,619.52 = 18,018.90 : x
  2. Step 2: Convert to fraction form
    39,072.42/58,619.52 = 18,018.90/x
  3. Step 3: Cross multiply
    39,072.42x = 58,619.52 × 18,018.90
  4. Step 4: Simplify right side
    39,072.42x = 1,056,259,268.93
  5. Step 5: Solve for x
    x = 1,056,259,268.93/39,072.42
  6. Step 6: Final answer
    x = 27,033.37

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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.