Home / 33,125.63-45,713.36-18,221.63

Finding the Fourth Proportional to 33,125.63, 45,713.36 and 18,221.63

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Solution

The fourth proportional to 33,125.63, 45,713.36 and 18,221.63 is: 25,145.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,125.63 : 45,713.36 = 18,221.63 : x
  2. Step 2: Convert to fraction form
    33,125.63/45,713.36 = 18,221.63/x
  3. Step 3: Cross multiply
    33,125.63x = 45,713.36 × 18,221.63
  4. Step 4: Simplify right side
    33,125.63x = 832,971,748.96
  5. Step 5: Solve for x
    x = 832,971,748.96/33,125.63
  6. Step 6: Final answer
    x = 25,145.84

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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.