Home / 21,958.42-32,970.44-21,630.37

Finding the Fourth Proportional to 21,958.42, 32,970.44 and 21,630.37

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Solution

The fourth proportional to 21,958.42, 32,970.44 and 21,630.37 is: 32,477.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,958.42 : 32,970.44 = 21,630.37 : x
  2. Step 2: Convert to fraction form
    21,958.42/32,970.44 = 21,630.37/x
  3. Step 3: Cross multiply
    21,958.42x = 32,970.44 × 21,630.37
  4. Step 4: Simplify right side
    21,958.42x = 713,162,816.26
  5. Step 5: Solve for x
    x = 713,162,816.26/21,958.42
  6. Step 6: Final answer
    x = 32,477.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.