Home / 36,148.74-49,886.31-20,232.78

Finding the Fourth Proportional to 36,148.74, 49,886.31 and 20,232.78

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Solution

The fourth proportional to 36,148.74, 49,886.31 and 20,232.78 is: 27,921.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,148.74 : 49,886.31 = 20,232.78 : x
  2. Step 2: Convert to fraction form
    36,148.74/49,886.31 = 20,232.78/x
  3. Step 3: Cross multiply
    36,148.74x = 49,886.31 × 20,232.78
  4. Step 4: Simplify right side
    36,148.74x = 1,009,338,735.24
  5. Step 5: Solve for x
    x = 1,009,338,735.24/36,148.74
  6. Step 6: Final answer
    x = 27,921.82

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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.