Home / 33,160.76-45,760.88-18,820.18

Finding the Fourth Proportional to 33,160.76, 45,760.88 and 18,820.18

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Solution

The fourth proportional to 33,160.76, 45,760.88 and 18,820.18 is: 25,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,160.76 : 45,760.88 = 18,820.18 : x
  2. Step 2: Convert to fraction form
    33,160.76/45,760.88 = 18,820.18/x
  3. Step 3: Cross multiply
    33,160.76x = 45,760.88 × 18,820.18
  4. Step 4: Simplify right side
    33,160.76x = 861,228,102.81
  5. Step 5: Solve for x
    x = 861,228,102.81/33,160.76
  6. Step 6: Final answer
    x = 25,971.30

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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.