Home / 33,313.58-45,967.20-19,890.26

Finding the Fourth Proportional to 33,313.58, 45,967.20 and 19,890.26

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Solution

The fourth proportional to 33,313.58, 45,967.20 and 19,890.26 is: 27,445.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,313.58 : 45,967.20 = 19,890.26 : x
  2. Step 2: Convert to fraction form
    33,313.58/45,967.20 = 19,890.26/x
  3. Step 3: Cross multiply
    33,313.58x = 45,967.20 × 19,890.26
  4. Step 4: Simplify right side
    33,313.58x = 914,299,559.47
  5. Step 5: Solve for x
    x = 914,299,559.47/33,313.58
  6. Step 6: Final answer
    x = 27,445.25

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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.