Home / 39,605.94-54,651-23,684.58

Finding the Fourth Proportional to 39,605.94, 54,651 and 23,684.58

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Solution

The fourth proportional to 39,605.94, 54,651 and 23,684.58 is: 32,681.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,605.94 : 54,651 = 23,684.58 : x
  2. Step 2: Convert to fraction form
    39,605.94/54,651 = 23,684.58/x
  3. Step 3: Cross multiply
    39,605.94x = 54,651 × 23,684.58
  4. Step 4: Simplify right side
    39,605.94x = 1,294,385,981.58
  5. Step 5: Solve for x
    x = 1,294,385,981.58/39,605.94
  6. Step 6: Final answer
    x = 32,681.61

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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.