Home / 30,372.74-45,559.41-10,651.77

Finding the Fourth Proportional to 30,372.74, 45,559.41 and 10,651.77

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Solution

The fourth proportional to 30,372.74, 45,559.41 and 10,651.77 is: 15,977.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,372.74 : 45,559.41 = 10,651.77 : x
  2. Step 2: Convert to fraction form
    30,372.74/45,559.41 = 10,651.77/x
  3. Step 3: Cross multiply
    30,372.74x = 45,559.41 × 10,651.77
  4. Step 4: Simplify right side
    30,372.74x = 485,288,356.66
  5. Step 5: Solve for x
    x = 485,288,356.66/30,372.74
  6. Step 6: Final answer
    x = 15,977.76

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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.