Home / 30,050.25-45,077.93-7,863.60

Finding the Fourth Proportional to 30,050.25, 45,077.93 and 7,863.60

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Solution

The fourth proportional to 30,050.25, 45,077.93 and 7,863.60 is: 11,796.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,050.25 : 45,077.93 = 7,863.60 : x
  2. Step 2: Convert to fraction form
    30,050.25/45,077.93 = 7,863.60/x
  3. Step 3: Cross multiply
    30,050.25x = 45,077.93 × 7,863.60
  4. Step 4: Simplify right side
    30,050.25x = 354,474,810.35
  5. Step 5: Solve for x
    x = 354,474,810.35/30,050.25
  6. Step 6: Final answer
    x = 11,796.07

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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.