Home / 33,991.35-51,019.46-20,869.35

Finding the Fourth Proportional to 33,991.35, 51,019.46 and 20,869.35

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Solution

The fourth proportional to 33,991.35, 51,019.46 and 20,869.35 is: 31,323.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,991.35 : 51,019.46 = 20,869.35 : x
  2. Step 2: Convert to fraction form
    33,991.35/51,019.46 = 20,869.35/x
  3. Step 3: Cross multiply
    33,991.35x = 51,019.46 × 20,869.35
  4. Step 4: Simplify right side
    33,991.35x = 1,064,742,863.20
  5. Step 5: Solve for x
    x = 1,064,742,863.20/33,991.35
  6. Step 6: Final answer
    x = 31,323.94

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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.