Home / 30,047.09-45,067.19-7,862.60

Finding the Fourth Proportional to 30,047.09, 45,067.19 and 7,862.60

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Solution

The fourth proportional to 30,047.09, 45,067.19 and 7,862.60 is: 11,793.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,047.09 : 45,067.19 = 7,862.60 : x
  2. Step 2: Convert to fraction form
    30,047.09/45,067.19 = 7,862.60/x
  3. Step 3: Cross multiply
    30,047.09x = 45,067.19 × 7,862.60
  4. Step 4: Simplify right side
    30,047.09x = 354,345,361.45
  5. Step 5: Solve for x
    x = 354,345,361.45/30,047.09
  6. Step 6: Final answer
    x = 11,793.00

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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.