Home / 30,255.84-45,290.87-27,404.64

Finding the Fourth Proportional to 30,255.84, 45,290.87 and 27,404.64

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Solution

The fourth proportional to 30,255.84, 45,290.87 and 27,404.64 is: 41,022.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,255.84 : 45,290.87 = 27,404.64 : x
  2. Step 2: Convert to fraction form
    30,255.84/45,290.87 = 27,404.64/x
  3. Step 3: Cross multiply
    30,255.84x = 45,290.87 × 27,404.64
  4. Step 4: Simplify right side
    30,255.84x = 1,241,179,987.64
  5. Step 5: Solve for x
    x = 1,241,179,987.64/30,255.84
  6. Step 6: Final answer
    x = 41,022.82

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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.