Home / 39,433.62-54,416.34-21,525.18

Finding the Fourth Proportional to 39,433.62, 54,416.34 and 21,525.18

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Solution

The fourth proportional to 39,433.62, 54,416.34 and 21,525.18 is: 29,703.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,433.62 : 54,416.34 = 21,525.18 : x
  2. Step 2: Convert to fraction form
    39,433.62/54,416.34 = 21,525.18/x
  3. Step 3: Cross multiply
    39,433.62x = 54,416.34 × 21,525.18
  4. Step 4: Simplify right side
    39,433.62x = 1,171,321,513.44
  5. Step 5: Solve for x
    x = 1,171,321,513.44/39,433.62
  6. Step 6: Final answer
    x = 29,703.63

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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.