Home / 47,119.21-65,039.65-30,169.10

Finding the Fourth Proportional to 47,119.21, 65,039.65 and 30,169.10

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Solution

The fourth proportional to 47,119.21, 65,039.65 and 30,169.10 is: 41,643.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,119.21 : 65,039.65 = 30,169.10 : x
  2. Step 2: Convert to fraction form
    47,119.21/65,039.65 = 30,169.10/x
  3. Step 3: Cross multiply
    47,119.21x = 65,039.65 × 30,169.10
  4. Step 4: Simplify right side
    47,119.21x = 1,962,187,791.99
  5. Step 5: Solve for x
    x = 1,962,187,791.99/47,119.21
  6. Step 6: Final answer
    x = 41,643.06

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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.