Home / 33,266.40-45,909.36-19,120.56

Finding the Fourth Proportional to 33,266.40, 45,909.36 and 19,120.56

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Solution

The fourth proportional to 33,266.40, 45,909.36 and 19,120.56 is: 26,387.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,266.40 : 45,909.36 = 19,120.56 : x
  2. Step 2: Convert to fraction form
    33,266.40/45,909.36 = 19,120.56/x
  3. Step 3: Cross multiply
    33,266.40x = 45,909.36 × 19,120.56
  4. Step 4: Simplify right side
    33,266.40x = 877,812,672.44
  5. Step 5: Solve for x
    x = 877,812,672.44/33,266.40
  6. Step 6: Final answer
    x = 26,387.37

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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.