Home / 47,119.62-65,040.23-30,169.52

Finding the Fourth Proportional to 47,119.62, 65,040.23 and 30,169.52

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Solution

The fourth proportional to 47,119.62, 65,040.23 and 30,169.52 is: 41,643.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,119.62 : 65,040.23 = 30,169.52 : x
  2. Step 2: Convert to fraction form
    47,119.62/65,040.23 = 30,169.52/x
  3. Step 3: Cross multiply
    47,119.62x = 65,040.23 × 30,169.52
  4. Step 4: Simplify right side
    47,119.62x = 1,962,232,519.79
  5. Step 5: Solve for x
    x = 1,962,232,519.79/47,119.62
  6. Step 6: Final answer
    x = 41,643.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.