Home / 30,356.09-45,523.19-12,827.28

Finding the Fourth Proportional to 30,356.09, 45,523.19 and 12,827.28

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Solution

The fourth proportional to 30,356.09, 45,523.19 and 12,827.28 is: 19,236.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,356.09 : 45,523.19 = 12,827.28 : x
  2. Step 2: Convert to fraction form
    30,356.09/45,523.19 = 12,827.28/x
  3. Step 3: Cross multiply
    30,356.09x = 45,523.19 × 12,827.28
  4. Step 4: Simplify right side
    30,356.09x = 583,938,736.69
  5. Step 5: Solve for x
    x = 583,938,736.69/30,356.09
  6. Step 6: Final answer
    x = 19,236.30

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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.