Home / 36,304.36-50,099.74-20,990.58

Finding the Fourth Proportional to 36,304.36, 50,099.74 and 20,990.58

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Solution

The fourth proportional to 36,304.36, 50,099.74 and 20,990.58 is: 28,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,304.36 : 50,099.74 = 20,990.58 : x
  2. Step 2: Convert to fraction form
    36,304.36/50,099.74 = 20,990.58/x
  3. Step 3: Cross multiply
    36,304.36x = 50,099.74 × 20,990.58
  4. Step 4: Simplify right side
    36,304.36x = 1,051,622,600.45
  5. Step 5: Solve for x
    x = 1,051,622,600.45/36,304.36
  6. Step 6: Final answer
    x = 28,966.84

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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.