Home / 36,970.56-51,019.38-20,203.56

Finding the Fourth Proportional to 36,970.56, 51,019.38 and 20,203.56

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Solution

The fourth proportional to 36,970.56, 51,019.38 and 20,203.56 is: 27,880.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,970.56 : 51,019.38 = 20,203.56 : x
  2. Step 2: Convert to fraction form
    36,970.56/51,019.38 = 20,203.56/x
  3. Step 3: Cross multiply
    36,970.56x = 51,019.38 × 20,203.56
  4. Step 4: Simplify right side
    36,970.56x = 1,030,773,104.99
  5. Step 5: Solve for x
    x = 1,030,773,104.99/36,970.56
  6. Step 6: Final answer
    x = 27,880.92

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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.