Home / 30,305.27-45,446.94-12,776.47

Finding the Fourth Proportional to 30,305.27, 45,446.94 and 12,776.47

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Solution

The fourth proportional to 30,305.27, 45,446.94 and 12,776.47 is: 19,160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.27 : 45,446.94 = 12,776.47 : x
  2. Step 2: Convert to fraction form
    30,305.27/45,446.94 = 12,776.47/x
  3. Step 3: Cross multiply
    30,305.27x = 45,446.94 × 12,776.47
  4. Step 4: Simplify right side
    30,305.27x = 580,651,351.88
  5. Step 5: Solve for x
    x = 580,651,351.88/30,305.27
  6. Step 6: Final answer
    x = 19,160.08

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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.