Home / 33,030.48-45,619.92-21,750.41

Finding the Fourth Proportional to 33,030.48, 45,619.92 and 21,750.41

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Solution

The fourth proportional to 33,030.48, 45,619.92 and 21,750.41 is: 30,040.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,030.48 : 45,619.92 = 21,750.41 : x
  2. Step 2: Convert to fraction form
    33,030.48/45,619.92 = 21,750.41/x
  3. Step 3: Cross multiply
    33,030.48x = 45,619.92 × 21,750.41
  4. Step 4: Simplify right side
    33,030.48x = 992,251,736.07
  5. Step 5: Solve for x
    x = 992,251,736.07/33,030.48
  6. Step 6: Final answer
    x = 30,040.49

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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.