Home / 30,038.82-41,451.90-16,609.28

Finding the Fourth Proportional to 30,038.82, 41,451.90 and 16,609.28

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Solution

The fourth proportional to 30,038.82, 41,451.90 and 16,609.28 is: 22,919.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,038.82 : 41,451.90 = 16,609.28 : x
  2. Step 2: Convert to fraction form
    30,038.82/41,451.90 = 16,609.28/x
  3. Step 3: Cross multiply
    30,038.82x = 41,451.90 × 16,609.28
  4. Step 4: Simplify right side
    30,038.82x = 688,486,213.63
  5. Step 5: Solve for x
    x = 688,486,213.63/30,038.82
  6. Step 6: Final answer
    x = 22,919.88

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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.