Home / 33,263.40-45,902.82-19,115.88

Finding the Fourth Proportional to 33,263.40, 45,902.82 and 19,115.88

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Solution

The fourth proportional to 33,263.40, 45,902.82 and 19,115.88 is: 26,379.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,263.40 : 45,902.82 = 19,115.88 : x
  2. Step 2: Convert to fraction form
    33,263.40/45,902.82 = 19,115.88/x
  3. Step 3: Cross multiply
    33,263.40x = 45,902.82 × 19,115.88
  4. Step 4: Simplify right side
    33,263.40x = 877,472,798.78
  5. Step 5: Solve for x
    x = 877,472,798.78/33,263.40
  6. Step 6: Final answer
    x = 26,379.53

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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.