Home / 47,724.22-65,848.98-28,860.94

Finding the Fourth Proportional to 47,724.22, 65,848.98 and 28,860.94

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Solution

The fourth proportional to 47,724.22, 65,848.98 and 28,860.94 is: 39,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,724.22 : 65,848.98 = 28,860.94 : x
  2. Step 2: Convert to fraction form
    47,724.22/65,848.98 = 28,860.94/x
  3. Step 3: Cross multiply
    47,724.22x = 65,848.98 × 28,860.94
  4. Step 4: Simplify right side
    47,724.22x = 1,900,463,460.84
  5. Step 5: Solve for x
    x = 1,900,463,460.84/47,724.22
  6. Step 6: Final answer
    x = 39,821.78

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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.