Home / 30,492.09-45,745.16-16,451.82

Finding the Fourth Proportional to 30,492.09, 45,745.16 and 16,451.82

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Solution

The fourth proportional to 30,492.09, 45,745.16 and 16,451.82 is: 24,681.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,492.09 : 45,745.16 = 16,451.82 : x
  2. Step 2: Convert to fraction form
    30,492.09/45,745.16 = 16,451.82/x
  3. Step 3: Cross multiply
    30,492.09x = 45,745.16 × 16,451.82
  4. Step 4: Simplify right side
    30,492.09x = 752,591,055.93
  5. Step 5: Solve for x
    x = 752,591,055.93/30,492.09
  6. Step 6: Final answer
    x = 24,681.52

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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.