Home / 34,567.48-51,861.98-12,381.05

Finding the Fourth Proportional to 34,567.48, 51,861.98 and 12,381.05

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Solution

The fourth proportional to 34,567.48, 51,861.98 and 12,381.05 is: 18,575.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,567.48 : 51,861.98 = 12,381.05 : x
  2. Step 2: Convert to fraction form
    34,567.48/51,861.98 = 12,381.05/x
  3. Step 3: Cross multiply
    34,567.48x = 51,861.98 × 12,381.05
  4. Step 4: Simplify right side
    34,567.48x = 642,105,508.17
  5. Step 5: Solve for x
    x = 642,105,508.17/34,567.48
  6. Step 6: Final answer
    x = 18,575.42

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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.