Home / 45,241.36-67,817.93-21,542.55

Finding the Fourth Proportional to 45,241.36, 67,817.93 and 21,542.55

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Solution

The fourth proportional to 45,241.36, 67,817.93 and 21,542.55 is: 32,292.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,241.36 : 67,817.93 = 21,542.55 : x
  2. Step 2: Convert to fraction form
    45,241.36/67,817.93 = 21,542.55/x
  3. Step 3: Cross multiply
    45,241.36x = 67,817.93 × 21,542.55
  4. Step 4: Simplify right side
    45,241.36x = 1,460,970,785.89
  5. Step 5: Solve for x
    x = 1,460,970,785.89/45,241.36
  6. Step 6: Final answer
    x = 32,292.81

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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.