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Finding the Fourth Proportional to 30,351.50, 45,527.22 and 9,575

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Solution

The fourth proportional to 30,351.50, 45,527.22 and 9,575 is: 14,362.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,351.50 : 45,527.22 = 9,575 : x
  2. Step 2: Convert to fraction form
    30,351.50/45,527.22 = 9,575/x
  3. Step 3: Cross multiply
    30,351.50x = 45,527.22 × 9,575
  4. Step 4: Simplify right side
    30,351.50x = 435,923,131.50
  5. Step 5: Solve for x
    x = 435,923,131.50/30,351.50
  6. Step 6: Final answer
    x = 14,362.49

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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.