Home / 39,848.58-54,987.71-21,944.54

Finding the Fourth Proportional to 39,848.58, 54,987.71 and 21,944.54

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Solution

The fourth proportional to 39,848.58, 54,987.71 and 21,944.54 is: 30,281.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,848.58 : 54,987.71 = 21,944.54 : x
  2. Step 2: Convert to fraction form
    39,848.58/54,987.71 = 21,944.54/x
  3. Step 3: Cross multiply
    39,848.58x = 54,987.71 × 21,944.54
  4. Step 4: Simplify right side
    39,848.58x = 1,206,679,616.94
  5. Step 5: Solve for x
    x = 1,206,679,616.94/39,848.58
  6. Step 6: Final answer
    x = 30,281.62

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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.