Home / 34,507.11-51,771.59-12,319.99

Finding the Fourth Proportional to 34,507.11, 51,771.59 and 12,319.99

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Solution

The fourth proportional to 34,507.11, 51,771.59 and 12,319.99 is: 18,483.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,507.11 : 51,771.59 = 12,319.99 : x
  2. Step 2: Convert to fraction form
    34,507.11/51,771.59 = 12,319.99/x
  3. Step 3: Cross multiply
    34,507.11x = 51,771.59 × 12,319.99
  4. Step 4: Simplify right side
    34,507.11x = 637,825,501.88
  5. Step 5: Solve for x
    x = 637,825,501.88/34,507.11
  6. Step 6: Final answer
    x = 18,483.89

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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.