Home / 39,129.51-54,006.21-23,222.73

Finding the Fourth Proportional to 39,129.51, 54,006.21 and 23,222.73

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Solution

The fourth proportional to 39,129.51, 54,006.21 and 23,222.73 is: 32,051.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,129.51 : 54,006.21 = 23,222.73 : x
  2. Step 2: Convert to fraction form
    39,129.51/54,006.21 = 23,222.73/x
  3. Step 3: Cross multiply
    39,129.51x = 54,006.21 × 23,222.73
  4. Step 4: Simplify right side
    39,129.51x = 1,254,171,633.15
  5. Step 5: Solve for x
    x = 1,254,171,633.15/39,129.51
  6. Step 6: Final answer
    x = 32,051.81

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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.