Home / 36,006.35-49,683.78-20,087.70

Finding the Fourth Proportional to 36,006.35, 49,683.78 and 20,087.70

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Solution

The fourth proportional to 36,006.35, 49,683.78 and 20,087.70 is: 27,718.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,006.35 : 49,683.78 = 20,087.70 : x
  2. Step 2: Convert to fraction form
    36,006.35/49,683.78 = 20,087.70/x
  3. Step 3: Cross multiply
    36,006.35x = 49,683.78 × 20,087.70
  4. Step 4: Simplify right side
    36,006.35x = 998,032,867.51
  5. Step 5: Solve for x
    x = 998,032,867.51/36,006.35
  6. Step 6: Final answer
    x = 27,718.25

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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.