Home / 48,491.75-66,917.56-28,074.68

Finding the Fourth Proportional to 48,491.75, 66,917.56 and 28,074.68

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Solution

The fourth proportional to 48,491.75, 66,917.56 and 28,074.68 is: 38,742.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,491.75 : 66,917.56 = 28,074.68 : x
  2. Step 2: Convert to fraction form
    48,491.75/66,917.56 = 28,074.68/x
  3. Step 3: Cross multiply
    48,491.75x = 66,917.56 × 28,074.68
  4. Step 4: Simplify right side
    48,491.75x = 1,878,688,986.27
  5. Step 5: Solve for x
    x = 1,878,688,986.27/48,491.75
  6. Step 6: Final answer
    x = 38,742.44

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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.