Home / 37,907.86-52,313.46-20,911.81

Finding the Fourth Proportional to 37,907.86, 52,313.46 and 20,911.81

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Solution

The fourth proportional to 37,907.86, 52,313.46 and 20,911.81 is: 28,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,907.86 : 52,313.46 = 20,911.81 : x
  2. Step 2: Convert to fraction form
    37,907.86/52,313.46 = 20,911.81/x
  3. Step 3: Cross multiply
    37,907.86x = 52,313.46 × 20,911.81
  4. Step 4: Simplify right side
    37,907.86x = 1,093,969,135.96
  5. Step 5: Solve for x
    x = 1,093,969,135.96/37,907.86
  6. Step 6: Final answer
    x = 28,858.64

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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.