Home / 43,683.78-60,305.45-28,599.56

Finding the Fourth Proportional to 43,683.78, 60,305.45 and 28,599.56

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Solution

The fourth proportional to 43,683.78, 60,305.45 and 28,599.56 is: 39,481.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,683.78 : 60,305.45 = 28,599.56 : x
  2. Step 2: Convert to fraction form
    43,683.78/60,305.45 = 28,599.56/x
  3. Step 3: Cross multiply
    43,683.78x = 60,305.45 × 28,599.56
  4. Step 4: Simplify right side
    43,683.78x = 1,724,709,117.22
  5. Step 5: Solve for x
    x = 1,724,709,117.22/43,683.78
  6. Step 6: Final answer
    x = 39,481.68

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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.