Home / 39,190.51-54,046.06-30,223.81

Finding the Fourth Proportional to 39,190.51, 54,046.06 and 30,223.81

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Solution

The fourth proportional to 39,190.51, 54,046.06 and 30,223.81 is: 41,680.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,190.51 : 54,046.06 = 30,223.81 : x
  2. Step 2: Convert to fraction form
    39,190.51/54,046.06 = 30,223.81/x
  3. Step 3: Cross multiply
    39,190.51x = 54,046.06 × 30,223.81
  4. Step 4: Simplify right side
    39,190.51x = 1,633,477,848.69
  5. Step 5: Solve for x
    x = 1,633,477,848.69/39,190.51
  6. Step 6: Final answer
    x = 41,680.44

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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.