Home / 30,204.09-45,299.97-11,477.55

Finding the Fourth Proportional to 30,204.09, 45,299.97 and 11,477.55

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Solution

The fourth proportional to 30,204.09, 45,299.97 and 11,477.55 is: 17,213.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,204.09 : 45,299.97 = 11,477.55 : x
  2. Step 2: Convert to fraction form
    30,204.09/45,299.97 = 11,477.55/x
  3. Step 3: Cross multiply
    30,204.09x = 45,299.97 × 11,477.55
  4. Step 4: Simplify right side
    30,204.09x = 519,932,670.67
  5. Step 5: Solve for x
    x = 519,932,670.67/30,204.09
  6. Step 6: Final answer
    x = 17,213.98

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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.