Home / 43,885.49-65,768.51-18,563.94

Finding the Fourth Proportional to 43,885.49, 65,768.51 and 18,563.94

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Solution

The fourth proportional to 43,885.49, 65,768.51 and 18,563.94 is: 27,820.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,885.49 : 65,768.51 = 18,563.94 : x
  2. Step 2: Convert to fraction form
    43,885.49/65,768.51 = 18,563.94/x
  3. Step 3: Cross multiply
    43,885.49x = 65,768.51 × 18,563.94
  4. Step 4: Simplify right side
    43,885.49x = 1,220,922,719.94
  5. Step 5: Solve for x
    x = 1,220,922,719.94/43,885.49
  6. Step 6: Final answer
    x = 27,820.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.