Home / 39,911.42-55,048.81-27,141.91

Finding the Fourth Proportional to 39,911.42, 55,048.81 and 27,141.91

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Solution

The fourth proportional to 39,911.42, 55,048.81 and 27,141.91 is: 37,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,911.42 : 55,048.81 = 27,141.91 : x
  2. Step 2: Convert to fraction form
    39,911.42/55,048.81 = 27,141.91/x
  3. Step 3: Cross multiply
    39,911.42x = 55,048.81 × 27,141.91
  4. Step 4: Simplify right side
    39,911.42x = 1,494,129,571.38
  5. Step 5: Solve for x
    x = 1,494,129,571.38/39,911.42
  6. Step 6: Final answer
    x = 37,436.14

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1.5x scale

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.