Home / 36,698.18-50,642.43-20,784.02

Finding the Fourth Proportional to 36,698.18, 50,642.43 and 20,784.02

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Solution

The fourth proportional to 36,698.18, 50,642.43 and 20,784.02 is: 28,681.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,698.18 : 50,642.43 = 20,784.02 : x
  2. Step 2: Convert to fraction form
    36,698.18/50,642.43 = 20,784.02/x
  3. Step 3: Cross multiply
    36,698.18x = 50,642.43 × 20,784.02
  4. Step 4: Simplify right side
    36,698.18x = 1,052,553,277.97
  5. Step 5: Solve for x
    x = 1,052,553,277.97/36,698.18
  6. Step 6: Final answer
    x = 28,681.35

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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.