Home / 37,989.12-56,979.20-23,907.60

Finding the Fourth Proportional to 37,989.12, 56,979.20 and 23,907.60

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Solution

The fourth proportional to 37,989.12, 56,979.20 and 23,907.60 is: 35,858.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,989.12 : 56,979.20 = 23,907.60 : x
  2. Step 2: Convert to fraction form
    37,989.12/56,979.20 = 23,907.60/x
  3. Step 3: Cross multiply
    37,989.12x = 56,979.20 × 23,907.60
  4. Step 4: Simplify right side
    37,989.12x = 1,362,235,921.92
  5. Step 5: Solve for x
    x = 1,362,235,921.92/37,989.12
  6. Step 6: Final answer
    x = 35,858.58

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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.