Home / 33,130.44-45,721.80-18,982.80

Finding the Fourth Proportional to 33,130.44, 45,721.80 and 18,982.80

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Solution

The fourth proportional to 33,130.44, 45,721.80 and 18,982.80 is: 26,197.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,130.44 : 45,721.80 = 18,982.80 : x
  2. Step 2: Convert to fraction form
    33,130.44/45,721.80 = 18,982.80/x
  3. Step 3: Cross multiply
    33,130.44x = 45,721.80 × 18,982.80
  4. Step 4: Simplify right side
    33,130.44x = 867,927,785.04
  5. Step 5: Solve for x
    x = 867,927,785.04/33,130.44
  6. Step 6: Final answer
    x = 26,197.29

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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.