Home / 33,243.35-45,870.18-19,814.36

Finding the Fourth Proportional to 33,243.35, 45,870.18 and 19,814.36

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Solution

The fourth proportional to 33,243.35, 45,870.18 and 19,814.36 is: 27,340.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,243.35 : 45,870.18 = 19,814.36 : x
  2. Step 2: Convert to fraction form
    33,243.35/45,870.18 = 19,814.36/x
  3. Step 3: Cross multiply
    33,243.35x = 45,870.18 × 19,814.36
  4. Step 4: Simplify right side
    33,243.35x = 908,888,259.78
  5. Step 5: Solve for x
    x = 908,888,259.78/33,243.35
  6. Step 6: Final answer
    x = 27,340.45

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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.