Home / 36,020.63-49,703.87-20,105.75

Finding the Fourth Proportional to 36,020.63, 49,703.87 and 20,105.75

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Solution

The fourth proportional to 36,020.63, 49,703.87 and 20,105.75 is: 27,743.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,020.63 : 49,703.87 = 20,105.75 : x
  2. Step 2: Convert to fraction form
    36,020.63/49,703.87 = 20,105.75/x
  3. Step 3: Cross multiply
    36,020.63x = 49,703.87 × 20,105.75
  4. Step 4: Simplify right side
    36,020.63x = 999,333,386.00
  5. Step 5: Solve for x
    x = 999,333,386.00/36,020.63
  6. Step 6: Final answer
    x = 27,743.37

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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.