Home / 30,246.72-41,743.17-16,820.70

Finding the Fourth Proportional to 30,246.72, 41,743.17 and 16,820.70

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Solution

The fourth proportional to 30,246.72, 41,743.17 and 16,820.70 is: 23,214.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.72 : 41,743.17 = 16,820.70 : x
  2. Step 2: Convert to fraction form
    30,246.72/41,743.17 = 16,820.70/x
  3. Step 3: Cross multiply
    30,246.72x = 41,743.17 × 16,820.70
  4. Step 4: Simplify right side
    30,246.72x = 702,149,339.62
  5. Step 5: Solve for x
    x = 702,149,339.62/30,246.72
  6. Step 6: Final answer
    x = 23,214.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.