Home / 39,541-54,576.30-22,783.72

Finding the Fourth Proportional to 39,541, 54,576.30 and 22,783.72

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Solution

The fourth proportional to 39,541, 54,576.30 and 22,783.72 is: 31,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,541 : 54,576.30 = 22,783.72 : x
  2. Step 2: Convert to fraction form
    39,541/54,576.30 = 22,783.72/x
  3. Step 3: Cross multiply
    39,541x = 54,576.30 × 22,783.72
  4. Step 4: Simplify right side
    39,541x = 1,243,451,137.84
  5. Step 5: Solve for x
    x = 1,243,451,137.84/39,541
  6. Step 6: Final answer
    x = 31,447.13

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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.