Home / 39,544.65-54,569.28-21,636.09

Finding the Fourth Proportional to 39,544.65, 54,569.28 and 21,636.09

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Solution

The fourth proportional to 39,544.65, 54,569.28 and 21,636.09 is: 29,856.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,544.65 : 54,569.28 = 21,636.09 : x
  2. Step 2: Convert to fraction form
    39,544.65/54,569.28 = 21,636.09/x
  3. Step 3: Cross multiply
    39,544.65x = 54,569.28 × 21,636.09
  4. Step 4: Simplify right side
    39,544.65x = 1,180,665,853.32
  5. Step 5: Solve for x
    x = 1,180,665,853.32/39,544.65
  6. Step 6: Final answer
    x = 29,856.53

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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.