Home / 30,083.40-45,112.68-11,360.25

Finding the Fourth Proportional to 30,083.40, 45,112.68 and 11,360.25

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Solution

The fourth proportional to 30,083.40, 45,112.68 and 11,360.25 is: 17,035.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,083.40 : 45,112.68 = 11,360.25 : x
  2. Step 2: Convert to fraction form
    30,083.40/45,112.68 = 11,360.25/x
  3. Step 3: Cross multiply
    30,083.40x = 45,112.68 × 11,360.25
  4. Step 4: Simplify right side
    30,083.40x = 512,491,322.97
  5. Step 5: Solve for x
    x = 512,491,322.97/30,083.40
  6. Step 6: Final answer
    x = 17,035.68

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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.