Home / 33,215.95-45,836.49-18,108.64

Finding the Fourth Proportional to 33,215.95, 45,836.49 and 18,108.64

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Solution

The fourth proportional to 33,215.95, 45,836.49 and 18,108.64 is: 24,989.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,215.95 : 45,836.49 = 18,108.64 : x
  2. Step 2: Convert to fraction form
    33,215.95/45,836.49 = 18,108.64/x
  3. Step 3: Cross multiply
    33,215.95x = 45,836.49 × 18,108.64
  4. Step 4: Simplify right side
    33,215.95x = 830,036,496.27
  5. Step 5: Solve for x
    x = 830,036,496.27/33,215.95
  6. Step 6: Final answer
    x = 24,989.09

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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.