Home / 49,067.40-73,610.70-20,987.40

Finding the Fourth Proportional to 49,067.40, 73,610.70 and 20,987.40

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Solution

The fourth proportional to 49,067.40, 73,610.70 and 20,987.40 is: 31,485.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,067.40 : 73,610.70 = 20,987.40 : x
  2. Step 2: Convert to fraction form
    49,067.40/73,610.70 = 20,987.40/x
  3. Step 3: Cross multiply
    49,067.40x = 73,610.70 × 20,987.40
  4. Step 4: Simplify right side
    49,067.40x = 1,544,897,205.18
  5. Step 5: Solve for x
    x = 1,544,897,205.18/49,067.40
  6. Step 6: Final answer
    x = 31,485.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.