Home / 30,372.52-45,559.08-10,651.56

Finding the Fourth Proportional to 30,372.52, 45,559.08 and 10,651.56

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Solution

The fourth proportional to 30,372.52, 45,559.08 and 10,651.56 is: 15,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,372.52 : 45,559.08 = 10,651.56 : x
  2. Step 2: Convert to fraction form
    30,372.52/45,559.08 = 10,651.56/x
  3. Step 3: Cross multiply
    30,372.52x = 45,559.08 × 10,651.56
  4. Step 4: Simplify right side
    30,372.52x = 485,275,274.16
  5. Step 5: Solve for x
    x = 485,275,274.16/30,372.52
  6. Step 6: Final answer
    x = 15,977.45

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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.