Home / 51,408.36-77,097.95-20,236.32

Finding the Fourth Proportional to 51,408.36, 77,097.95 and 20,236.32

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Solution

The fourth proportional to 51,408.36, 77,097.95 and 20,236.32 is: 30,348.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,408.36 : 77,097.95 = 20,236.32 : x
  2. Step 2: Convert to fraction form
    51,408.36/77,097.95 = 20,236.32/x
  3. Step 3: Cross multiply
    51,408.36x = 77,097.95 × 20,236.32
  4. Step 4: Simplify right side
    51,408.36x = 1,560,178,686.36
  5. Step 5: Solve for x
    x = 1,560,178,686.36/51,408.36
  6. Step 6: Final answer
    x = 30,348.73

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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.