Home / 30,459.14-45,688.26-8,273

Finding the Fourth Proportional to 30,459.14, 45,688.26 and 8,273

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Solution

The fourth proportional to 30,459.14, 45,688.26 and 8,273 is: 12,409.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,459.14 : 45,688.26 = 8,273 : x
  2. Step 2: Convert to fraction form
    30,459.14/45,688.26 = 8,273/x
  3. Step 3: Cross multiply
    30,459.14x = 45,688.26 × 8,273
  4. Step 4: Simplify right side
    30,459.14x = 377,978,974.98
  5. Step 5: Solve for x
    x = 377,978,974.98/30,459.14
  6. Step 6: Final answer
    x = 12,409.38

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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.