Home / 33,031.85-45,583.94-18,885

Finding the Fourth Proportional to 33,031.85, 45,583.94 and 18,885

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Solution

The fourth proportional to 33,031.85, 45,583.94 and 18,885 is: 26,061.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,031.85 : 45,583.94 = 18,885 : x
  2. Step 2: Convert to fraction form
    33,031.85/45,583.94 = 18,885/x
  3. Step 3: Cross multiply
    33,031.85x = 45,583.94 × 18,885
  4. Step 4: Simplify right side
    33,031.85x = 860,852,612.48
  5. Step 5: Solve for x
    x = 860,852,612.48/33,031.85
  6. Step 6: Final answer
    x = 26,061.29

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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.