Home / 39,638.23-54,698.67-22,639.14

Finding the Fourth Proportional to 39,638.23, 54,698.67 and 22,639.14

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Solution

The fourth proportional to 39,638.23, 54,698.67 and 22,639.14 is: 31,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,638.23 : 54,698.67 = 22,639.14 : x
  2. Step 2: Convert to fraction form
    39,638.23/54,698.67 = 22,639.14/x
  3. Step 3: Cross multiply
    39,638.23x = 54,698.67 × 22,639.14
  4. Step 4: Simplify right side
    39,638.23x = 1,238,330,847.94
  5. Step 5: Solve for x
    x = 1,238,330,847.94/39,638.23
  6. Step 6: Final answer
    x = 31,240.82

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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.