Home / 39,662.85-54,719.64-25,323.21

Finding the Fourth Proportional to 39,662.85, 54,719.64 and 25,323.21

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Solution

The fourth proportional to 39,662.85, 54,719.64 and 25,323.21 is: 34,936.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,662.85 : 54,719.64 = 25,323.21 : x
  2. Step 2: Convert to fraction form
    39,662.85/54,719.64 = 25,323.21/x
  3. Step 3: Cross multiply
    39,662.85x = 54,719.64 × 25,323.21
  4. Step 4: Simplify right side
    39,662.85x = 1,385,676,934.84
  5. Step 5: Solve for x
    x = 1,385,676,934.84/39,662.85
  6. Step 6: Final answer
    x = 34,936.39

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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.