Home / 30,405.28-45,610.52-10,682.12

Finding the Fourth Proportional to 30,405.28, 45,610.52 and 10,682.12

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Solution

The fourth proportional to 30,405.28, 45,610.52 and 10,682.12 is: 16,024.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,405.28 : 45,610.52 = 10,682.12 : x
  2. Step 2: Convert to fraction form
    30,405.28/45,610.52 = 10,682.12/x
  3. Step 3: Cross multiply
    30,405.28x = 45,610.52 × 10,682.12
  4. Step 4: Simplify right side
    30,405.28x = 487,217,047.90
  5. Step 5: Solve for x
    x = 487,217,047.90/30,405.28
  6. Step 6: Final answer
    x = 16,024.09

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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.