Home / 30,821.70-46,214.73-12,079.83

Finding the Fourth Proportional to 30,821.70, 46,214.73 and 12,079.83

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Solution

The fourth proportional to 30,821.70, 46,214.73 and 12,079.83 is: 18,112.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,821.70 : 46,214.73 = 12,079.83 : x
  2. Step 2: Convert to fraction form
    30,821.70/46,214.73 = 12,079.83/x
  3. Step 3: Cross multiply
    30,821.70x = 46,214.73 × 12,079.83
  4. Step 4: Simplify right side
    30,821.70x = 558,266,081.90
  5. Step 5: Solve for x
    x = 558,266,081.90/30,821.70
  6. Step 6: Final answer
    x = 18,112.76

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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.