Home / 33,118.61-45,703.89-18,011.43

Finding the Fourth Proportional to 33,118.61, 45,703.89 and 18,011.43

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Solution

The fourth proportional to 33,118.61, 45,703.89 and 18,011.43 is: 24,855.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,118.61 : 45,703.89 = 18,011.43 : x
  2. Step 2: Convert to fraction form
    33,118.61/45,703.89 = 18,011.43/x
  3. Step 3: Cross multiply
    33,118.61x = 45,703.89 × 18,011.43
  4. Step 4: Simplify right side
    33,118.61x = 823,192,415.46
  5. Step 5: Solve for x
    x = 823,192,415.46/33,118.61
  6. Step 6: Final answer
    x = 24,855.89

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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.