Home / 39,228.32-54,142.94-23,309.69

Finding the Fourth Proportional to 39,228.32, 54,142.94 and 23,309.69

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Solution

The fourth proportional to 39,228.32, 54,142.94 and 23,309.69 is: 32,172.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,228.32 : 54,142.94 = 23,309.69 : x
  2. Step 2: Convert to fraction form
    39,228.32/54,142.94 = 23,309.69/x
  3. Step 3: Cross multiply
    39,228.32x = 54,142.94 × 23,309.69
  4. Step 4: Simplify right side
    39,228.32x = 1,262,054,759.83
  5. Step 5: Solve for x
    x = 1,262,054,759.83/39,228.32
  6. Step 6: Final answer
    x = 32,172.04

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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.