Home / 39,544.51-54,569.32-21,636.05

Finding the Fourth Proportional to 39,544.51, 54,569.32 and 21,636.05

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Solution

The fourth proportional to 39,544.51, 54,569.32 and 21,636.05 is: 29,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,544.51 : 54,569.32 = 21,636.05 : x
  2. Step 2: Convert to fraction form
    39,544.51/54,569.32 = 21,636.05/x
  3. Step 3: Cross multiply
    39,544.51x = 54,569.32 × 21,636.05
  4. Step 4: Simplify right side
    39,544.51x = 1,180,664,654.90
  5. Step 5: Solve for x
    x = 1,180,664,654.90/39,544.51
  6. Step 6: Final answer
    x = 29,856.60

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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.