Home / 36,078.15-49,783.53-19,943.28

Finding the Fourth Proportional to 36,078.15, 49,783.53 and 19,943.28

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Solution

The fourth proportional to 36,078.15, 49,783.53 and 19,943.28 is: 27,519.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,078.15 : 49,783.53 = 19,943.28 : x
  2. Step 2: Convert to fraction form
    36,078.15/49,783.53 = 19,943.28/x
  3. Step 3: Cross multiply
    36,078.15x = 49,783.53 × 19,943.28
  4. Step 4: Simplify right side
    36,078.15x = 992,846,987.86
  5. Step 5: Solve for x
    x = 992,846,987.86/36,078.15
  6. Step 6: Final answer
    x = 27,519.35

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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.