Home / 30,517.45-45,747.30-23,009.35

Finding the Fourth Proportional to 30,517.45, 45,747.30 and 23,009.35

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Solution

The fourth proportional to 30,517.45, 45,747.30 and 23,009.35 is: 34,492.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,517.45 : 45,747.30 = 23,009.35 : x
  2. Step 2: Convert to fraction form
    30,517.45/45,747.30 = 23,009.35/x
  3. Step 3: Cross multiply
    30,517.45x = 45,747.30 × 23,009.35
  4. Step 4: Simplify right side
    30,517.45x = 1,052,615,408.52
  5. Step 5: Solve for x
    x = 1,052,615,408.52/30,517.45
  6. Step 6: Final answer
    x = 34,492.25

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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.