Home / 39,186.72-58,790.02-18,141.94

Finding the Fourth Proportional to 39,186.72, 58,790.02 and 18,141.94

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Solution

The fourth proportional to 39,186.72, 58,790.02 and 18,141.94 is: 27,217.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,186.72 : 58,790.02 = 18,141.94 : x
  2. Step 2: Convert to fraction form
    39,186.72/58,790.02 = 18,141.94/x
  3. Step 3: Cross multiply
    39,186.72x = 58,790.02 × 18,141.94
  4. Step 4: Simplify right side
    39,186.72x = 1,066,565,015.44
  5. Step 5: Solve for x
    x = 1,066,565,015.44/39,186.72
  6. Step 6: Final answer
    x = 27,217.51

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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.