Home / 30,476.28-45,704.64-9,694.92

Finding the Fourth Proportional to 30,476.28, 45,704.64 and 9,694.92

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Solution

The fourth proportional to 30,476.28, 45,704.64 and 9,694.92 is: 14,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,476.28 : 45,704.64 = 9,694.92 : x
  2. Step 2: Convert to fraction form
    30,476.28/45,704.64 = 9,694.92/x
  3. Step 3: Cross multiply
    30,476.28x = 45,704.64 × 9,694.92
  4. Step 4: Simplify right side
    30,476.28x = 443,102,828.43
  5. Step 5: Solve for x
    x = 443,102,828.43/30,476.28
  6. Step 6: Final answer
    x = 14,539.27

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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.