Home / 43,911-60,580.64-28,811.99

Finding the Fourth Proportional to 43,911, 60,580.64 and 28,811.99

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Solution

The fourth proportional to 43,911, 60,580.64 and 28,811.99 is: 39,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,911 : 60,580.64 = 28,811.99 : x
  2. Step 2: Convert to fraction form
    43,911/60,580.64 = 28,811.99/x
  3. Step 3: Cross multiply
    43,911x = 60,580.64 × 28,811.99
  4. Step 4: Simplify right side
    43,911x = 1,745,449,017.36
  5. Step 5: Solve for x
    x = 1,745,449,017.36/43,911
  6. Step 6: Final answer
    x = 39,749.70

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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.