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Finding the Fourth Proportional to 40,323.62, 60,485.44 and 21,972.26

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Solution

The fourth proportional to 40,323.62, 60,485.44 and 21,972.26 is: 32,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,323.62 : 60,485.44 = 21,972.26 : x
  2. Step 2: Convert to fraction form
    40,323.62/60,485.44 = 21,972.26/x
  3. Step 3: Cross multiply
    40,323.62x = 60,485.44 × 21,972.26
  4. Step 4: Simplify right side
    40,323.62x = 1,329,001,813.89
  5. Step 5: Solve for x
    x = 1,329,001,813.89/40,323.62
  6. Step 6: Final answer
    x = 32,958.40

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Similar ratio
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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.