Home / 51,453.72-77,189.76-18,193.10

Finding the Fourth Proportional to 51,453.72, 77,189.76 and 18,193.10

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Solution

The fourth proportional to 51,453.72, 77,189.76 and 18,193.10 is: 27,292.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,453.72 : 77,189.76 = 18,193.10 : x
  2. Step 2: Convert to fraction form
    51,453.72/77,189.76 = 18,193.10/x
  3. Step 3: Cross multiply
    51,453.72x = 77,189.76 × 18,193.10
  4. Step 4: Simplify right side
    51,453.72x = 1,404,320,636.71
  5. Step 5: Solve for x
    x = 1,404,320,636.71/51,453.72
  6. Step 6: Final answer
    x = 27,292.89

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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.