Home / 30,372.46-45,559.09-10,651.59

Finding the Fourth Proportional to 30,372.46, 45,559.09 and 10,651.59

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Solution

The fourth proportional to 30,372.46, 45,559.09 and 10,651.59 is: 15,977.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,372.46 : 45,559.09 = 10,651.59 : x
  2. Step 2: Convert to fraction form
    30,372.46/45,559.09 = 10,651.59/x
  3. Step 3: Cross multiply
    30,372.46x = 45,559.09 × 10,651.59
  4. Step 4: Simplify right side
    30,372.46x = 485,276,760.77
  5. Step 5: Solve for x
    x = 485,276,760.77/30,372.46
  6. Step 6: Final answer
    x = 15,977.53

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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.