Home / 37,436.39-51,662.34-20,440.67

Finding the Fourth Proportional to 37,436.39, 51,662.34 and 20,440.67

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Solution

The fourth proportional to 37,436.39, 51,662.34 and 20,440.67 is: 28,208.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,436.39 : 51,662.34 = 20,440.67 : x
  2. Step 2: Convert to fraction form
    37,436.39/51,662.34 = 20,440.67/x
  3. Step 3: Cross multiply
    37,436.39x = 51,662.34 × 20,440.67
  4. Step 4: Simplify right side
    37,436.39x = 1,056,012,843.37
  5. Step 5: Solve for x
    x = 1,056,012,843.37/37,436.39
  6. Step 6: Final answer
    x = 28,208.19

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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.