Home / 30,038.21-41,451.99-16,609.12

Finding the Fourth Proportional to 30,038.21, 41,451.99 and 16,609.12

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Solution

The fourth proportional to 30,038.21, 41,451.99 and 16,609.12 is: 22,920.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,038.21 : 41,451.99 = 16,609.12 : x
  2. Step 2: Convert to fraction form
    30,038.21/41,451.99 = 16,609.12/x
  3. Step 3: Cross multiply
    30,038.21x = 41,451.99 × 16,609.12
  4. Step 4: Simplify right side
    30,038.21x = 688,481,076.15
  5. Step 5: Solve for x
    x = 688,481,076.15/30,038.21
  6. Step 6: Final answer
    x = 22,920.18

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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.