Home / 36,660.37-54,979.56-19,120.63

Finding the Fourth Proportional to 36,660.37, 54,979.56 and 19,120.63

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Solution

The fourth proportional to 36,660.37, 54,979.56 and 19,120.63 is: 28,675.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,660.37 : 54,979.56 = 19,120.63 : x
  2. Step 2: Convert to fraction form
    36,660.37/54,979.56 = 19,120.63/x
  3. Step 3: Cross multiply
    36,660.37x = 54,979.56 × 19,120.63
  4. Step 4: Simplify right side
    36,660.37x = 1,051,243,824.32
  5. Step 5: Solve for x
    x = 1,051,243,824.32/36,660.37
  6. Step 6: Final answer
    x = 28,675.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.