Home / 30,101.82-41,536.40-16,669.76

Finding the Fourth Proportional to 30,101.82, 41,536.40 and 16,669.76

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Solution

The fourth proportional to 30,101.82, 41,536.40 and 16,669.76 is: 23,001.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,101.82 : 41,536.40 = 16,669.76 : x
  2. Step 2: Convert to fraction form
    30,101.82/41,536.40 = 16,669.76/x
  3. Step 3: Cross multiply
    30,101.82x = 41,536.40 × 16,669.76
  4. Step 4: Simplify right side
    30,101.82x = 692,401,819.26
  5. Step 5: Solve for x
    x = 692,401,819.26/30,101.82
  6. Step 6: Final answer
    x = 23,001.99

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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.