Home / 36,157.07-49,893.99-20,239.36

Finding the Fourth Proportional to 36,157.07, 49,893.99 and 20,239.36

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Solution

The fourth proportional to 36,157.07, 49,893.99 and 20,239.36 is: 27,928.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,157.07 : 49,893.99 = 20,239.36 : x
  2. Step 2: Convert to fraction form
    36,157.07/49,893.99 = 20,239.36/x
  3. Step 3: Cross multiply
    36,157.07x = 49,893.99 × 20,239.36
  4. Step 4: Simplify right side
    36,157.07x = 1,009,822,425.45
  5. Step 5: Solve for x
    x = 1,009,822,425.45/36,157.07
  6. Step 6: Final answer
    x = 27,928.77

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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.