Home / 39,546.53-54,574.21-21,641.54

Finding the Fourth Proportional to 39,546.53, 54,574.21 and 21,641.54

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Solution

The fourth proportional to 39,546.53, 54,574.21 and 21,641.54 is: 29,865.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,546.53 : 54,574.21 = 21,641.54 : x
  2. Step 2: Convert to fraction form
    39,546.53/54,574.21 = 21,641.54/x
  3. Step 3: Cross multiply
    39,546.53x = 54,574.21 × 21,641.54
  4. Step 4: Simplify right side
    39,546.53x = 1,181,069,948.68
  5. Step 5: Solve for x
    x = 1,181,069,948.68/39,546.53
  6. Step 6: Final answer
    x = 29,865.33

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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.