Home / 51,456.57-77,185.47-18,153.27

Finding the Fourth Proportional to 51,456.57, 77,185.47 and 18,153.27

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Solution

The fourth proportional to 51,456.57, 77,185.47 and 18,153.27 is: 27,230.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,456.57 : 77,185.47 = 18,153.27 : x
  2. Step 2: Convert to fraction form
    51,456.57/77,185.47 = 18,153.27/x
  3. Step 3: Cross multiply
    51,456.57x = 77,185.47 × 18,153.27
  4. Step 4: Simplify right side
    51,456.57x = 1,401,168,676.99
  5. Step 5: Solve for x
    x = 1,401,168,676.99/51,456.57
  6. Step 6: Final answer
    x = 27,230.12

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1.5x scale

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.