Home / 36,986.38-51,038.44-21,067.72

Finding the Fourth Proportional to 36,986.38, 51,038.44 and 21,067.72

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Solution

The fourth proportional to 36,986.38, 51,038.44 and 21,067.72 is: 29,071.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,986.38 : 51,038.44 = 21,067.72 : x
  2. Step 2: Convert to fraction form
    36,986.38/51,038.44 = 21,067.72/x
  3. Step 3: Cross multiply
    36,986.38x = 51,038.44 × 21,067.72
  4. Step 4: Simplify right side
    36,986.38x = 1,075,263,563.16
  5. Step 5: Solve for x
    x = 1,075,263,563.16/36,986.38
  6. Step 6: Final answer
    x = 29,071.88

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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.