Home / 29,079.09-43,601.49-20,812.23

Finding the Fourth Proportional to 29,079.09, 43,601.49 and 20,812.23

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Solution

The fourth proportional to 29,079.09, 43,601.49 and 20,812.23 is: 31,206.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,079.09 : 43,601.49 = 20,812.23 : x
  2. Step 2: Convert to fraction form
    29,079.09/43,601.49 = 20,812.23/x
  3. Step 3: Cross multiply
    29,079.09x = 43,601.49 × 20,812.23
  4. Step 4: Simplify right side
    29,079.09x = 907,444,238.22
  5. Step 5: Solve for x
    x = 907,444,238.22/29,079.09
  6. Step 6: Final answer
    x = 31,206.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.