Home / 33,000.03-45,539.48-18,659.63

Finding the Fourth Proportional to 33,000.03, 45,539.48 and 18,659.63

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Solution

The fourth proportional to 33,000.03, 45,539.48 and 18,659.63 is: 25,749.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,000.03 : 45,539.48 = 18,659.63 : x
  2. Step 2: Convert to fraction form
    33,000.03/45,539.48 = 18,659.63/x
  3. Step 3: Cross multiply
    33,000.03x = 45,539.48 × 18,659.63
  4. Step 4: Simplify right side
    33,000.03x = 849,750,007.69
  5. Step 5: Solve for x
    x = 849,750,007.69/33,000.03
  6. Step 6: Final answer
    x = 25,749.98

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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.