Home / 39,247.07-54,138.79-23,336.65

Finding the Fourth Proportional to 39,247.07, 54,138.79 and 23,336.65

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Solution

The fourth proportional to 39,247.07, 54,138.79 and 23,336.65 is: 32,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,247.07 : 54,138.79 = 23,336.65 : x
  2. Step 2: Convert to fraction form
    39,247.07/54,138.79 = 23,336.65/x
  3. Step 3: Cross multiply
    39,247.07x = 54,138.79 × 23,336.65
  4. Step 4: Simplify right side
    39,247.07x = 1,263,417,993.65
  5. Step 5: Solve for x
    x = 1,263,417,993.65/39,247.07
  6. Step 6: Final answer
    x = 32,191.40

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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.