Home / 37,840.86-52,220.39-21,934.54

Finding the Fourth Proportional to 37,840.86, 52,220.39 and 21,934.54

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Solution

The fourth proportional to 37,840.86, 52,220.39 and 21,934.54 is: 30,269.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,840.86 : 52,220.39 = 21,934.54 : x
  2. Step 2: Convert to fraction form
    37,840.86/52,220.39 = 21,934.54/x
  3. Step 3: Cross multiply
    37,840.86x = 52,220.39 × 21,934.54
  4. Step 4: Simplify right side
    37,840.86x = 1,145,430,157.56
  5. Step 5: Solve for x
    x = 1,145,430,157.56/37,840.86
  6. Step 6: Final answer
    x = 30,269.67

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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.