Home / 50,790.24-70,091.51-30,393.28

Finding the Fourth Proportional to 50,790.24, 70,091.51 and 30,393.28

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Solution

The fourth proportional to 50,790.24, 70,091.51 and 30,393.28 is: 41,943.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,790.24 : 70,091.51 = 30,393.28 : x
  2. Step 2: Convert to fraction form
    50,790.24/70,091.51 = 30,393.28/x
  3. Step 3: Cross multiply
    50,790.24x = 70,091.51 × 30,393.28
  4. Step 4: Simplify right side
    50,790.24x = 2,130,310,729.62
  5. Step 5: Solve for x
    x = 2,130,310,729.62/50,790.24
  6. Step 6: Final answer
    x = 41,943.31

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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.