Home / 39,261.58-54,181.52-21,357.34

Finding the Fourth Proportional to 39,261.58, 54,181.52 and 21,357.34

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Solution

The fourth proportional to 39,261.58, 54,181.52 and 21,357.34 is: 29,473.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,261.58 : 54,181.52 = 21,357.34 : x
  2. Step 2: Convert to fraction form
    39,261.58/54,181.52 = 21,357.34/x
  3. Step 3: Cross multiply
    39,261.58x = 54,181.52 × 21,357.34
  4. Step 4: Simplify right side
    39,261.58x = 1,157,173,144.36
  5. Step 5: Solve for x
    x = 1,157,173,144.36/39,261.58
  6. Step 6: Final answer
    x = 29,473.42

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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.