Home / 51,771.08-77,636.96-18,484.94

Finding the Fourth Proportional to 51,771.08, 77,636.96 and 18,484.94

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Solution

The fourth proportional to 51,771.08, 77,636.96 and 18,484.94 is: 27,720.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,771.08 : 77,636.96 = 18,484.94 : x
  2. Step 2: Convert to fraction form
    51,771.08/77,636.96 = 18,484.94/x
  3. Step 3: Cross multiply
    51,771.08x = 77,636.96 × 18,484.94
  4. Step 4: Simplify right side
    51,771.08x = 1,435,114,547.38
  5. Step 5: Solve for x
    x = 1,435,114,547.38/51,771.08
  6. Step 6: Final answer
    x = 27,720.39

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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.