Home / 33,170.13-45,742.19-28,148.13

Finding the Fourth Proportional to 33,170.13, 45,742.19 and 28,148.13

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Solution

The fourth proportional to 33,170.13, 45,742.19 and 28,148.13 is: 38,816.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,170.13 : 45,742.19 = 28,148.13 : x
  2. Step 2: Convert to fraction form
    33,170.13/45,742.19 = 28,148.13/x
  3. Step 3: Cross multiply
    33,170.13x = 45,742.19 × 28,148.13
  4. Step 4: Simplify right side
    33,170.13x = 1,287,556,969.86
  5. Step 5: Solve for x
    x = 1,287,556,969.86/33,170.13
  6. Step 6: Final answer
    x = 38,816.76

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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.