Home / 30,372.40-45,571.76-16,316.02

Finding the Fourth Proportional to 30,372.40, 45,571.76 and 16,316.02

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Solution

The fourth proportional to 30,372.40, 45,571.76 and 16,316.02 is: 24,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,372.40 : 45,571.76 = 16,316.02 : x
  2. Step 2: Convert to fraction form
    30,372.40/45,571.76 = 16,316.02/x
  3. Step 3: Cross multiply
    30,372.40x = 45,571.76 × 16,316.02
  4. Step 4: Simplify right side
    30,372.40x = 743,549,747.60
  5. Step 5: Solve for x
    x = 743,549,747.60/30,372.40
  6. Step 6: Final answer
    x = 24,481.10

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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.