Home / 37,636.89-51,896.07-30,809.19

Finding the Fourth Proportional to 37,636.89, 51,896.07 and 30,809.19

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Solution

The fourth proportional to 37,636.89, 51,896.07 and 30,809.19 is: 42,481.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,636.89 : 51,896.07 = 30,809.19 : x
  2. Step 2: Convert to fraction form
    37,636.89/51,896.07 = 30,809.19/x
  3. Step 3: Cross multiply
    37,636.89x = 51,896.07 × 30,809.19
  4. Step 4: Simplify right side
    37,636.89x = 1,598,875,880.88
  5. Step 5: Solve for x
    x = 1,598,875,880.88/37,636.89
  6. Step 6: Final answer
    x = 42,481.62

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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.