Home / 33,243.05-45,867.22-20,319.03

Finding the Fourth Proportional to 33,243.05, 45,867.22 and 20,319.03

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Solution

The fourth proportional to 33,243.05, 45,867.22 and 20,319.03 is: 28,035.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,243.05 : 45,867.22 = 20,319.03 : x
  2. Step 2: Convert to fraction form
    33,243.05/45,867.22 = 20,319.03/x
  3. Step 3: Cross multiply
    33,243.05x = 45,867.22 × 20,319.03
  4. Step 4: Simplify right side
    33,243.05x = 931,977,368.40
  5. Step 5: Solve for x
    x = 931,977,368.40/33,243.05
  6. Step 6: Final answer
    x = 28,035.25

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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.