Home / 35,987.38-49,662.66-20,071.42

Finding the Fourth Proportional to 35,987.38, 49,662.66 and 20,071.42

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Solution

The fourth proportional to 35,987.38, 49,662.66 and 20,071.42 is: 27,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,987.38 : 49,662.66 = 20,071.42 : x
  2. Step 2: Convert to fraction form
    35,987.38/49,662.66 = 20,071.42/x
  3. Step 3: Cross multiply
    35,987.38x = 49,662.66 × 20,071.42
  4. Step 4: Simplify right side
    35,987.38x = 996,800,107.18
  5. Step 5: Solve for x
    x = 996,800,107.18/35,987.38
  6. Step 6: Final answer
    x = 27,698.60

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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.