Home / 30,284.96-45,425.56-11,305.90

Finding the Fourth Proportional to 30,284.96, 45,425.56 and 11,305.90

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Solution

The fourth proportional to 30,284.96, 45,425.56 and 11,305.90 is: 16,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,284.96 : 45,425.56 = 11,305.90 : x
  2. Step 2: Convert to fraction form
    30,284.96/45,425.56 = 11,305.90/x
  3. Step 3: Cross multiply
    30,284.96x = 45,425.56 × 11,305.90
  4. Step 4: Simplify right side
    30,284.96x = 513,576,633.00
  5. Step 5: Solve for x
    x = 513,576,633.00/30,284.96
  6. Step 6: Final answer
    x = 16,958.14

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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.