Home / 33,165.50-45,768.40-18,261.50

Finding the Fourth Proportional to 33,165.50, 45,768.40 and 18,261.50

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Solution

The fourth proportional to 33,165.50, 45,768.40 and 18,261.50 is: 25,200.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,165.50 : 45,768.40 = 18,261.50 : x
  2. Step 2: Convert to fraction form
    33,165.50/45,768.40 = 18,261.50/x
  3. Step 3: Cross multiply
    33,165.50x = 45,768.40 × 18,261.50
  4. Step 4: Simplify right side
    33,165.50x = 835,799,636.60
  5. Step 5: Solve for x
    x = 835,799,636.60/33,165.50
  6. Step 6: Final answer
    x = 25,200.88

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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.