Home / 39,651.85-54,705.36-22,643.83

Finding the Fourth Proportional to 39,651.85, 54,705.36 and 22,643.83

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Solution

The fourth proportional to 39,651.85, 54,705.36 and 22,643.83 is: 31,240.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,651.85 : 54,705.36 = 22,643.83 : x
  2. Step 2: Convert to fraction form
    39,651.85/54,705.36 = 22,643.83/x
  3. Step 3: Cross multiply
    39,651.85x = 54,705.36 × 22,643.83
  4. Step 4: Simplify right side
    39,651.85x = 1,238,738,871.93
  5. Step 5: Solve for x
    x = 1,238,738,871.93/39,651.85
  6. Step 6: Final answer
    x = 31,240.38

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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.