Home / 39,832.58-54,970.44-21,928.34

Finding the Fourth Proportional to 39,832.58, 54,970.44 and 21,928.34

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Solution

The fourth proportional to 39,832.58, 54,970.44 and 21,928.34 is: 30,261.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,832.58 : 54,970.44 = 21,928.34 : x
  2. Step 2: Convert to fraction form
    39,832.58/54,970.44 = 21,928.34/x
  3. Step 3: Cross multiply
    39,832.58x = 54,970.44 × 21,928.34
  4. Step 4: Simplify right side
    39,832.58x = 1,205,410,498.27
  5. Step 5: Solve for x
    x = 1,205,410,498.27/39,832.58
  6. Step 6: Final answer
    x = 30,261.92

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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.