Home / 30,296.28-45,441.24-8,111.94

Finding the Fourth Proportional to 30,296.28, 45,441.24 and 8,111.94

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Solution

The fourth proportional to 30,296.28, 45,441.24 and 8,111.94 is: 12,167.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,296.28 : 45,441.24 = 8,111.94 : x
  2. Step 2: Convert to fraction form
    30,296.28/45,441.24 = 8,111.94/x
  3. Step 3: Cross multiply
    30,296.28x = 45,441.24 × 8,111.94
  4. Step 4: Simplify right side
    30,296.28x = 368,616,612.41
  5. Step 5: Solve for x
    x = 368,616,612.41/30,296.28
  6. Step 6: Final answer
    x = 12,167.06

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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.