Home / 33,029.40-45,563.64-20,909.32

Finding the Fourth Proportional to 33,029.40, 45,563.64 and 20,909.32

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Solution

The fourth proportional to 33,029.40, 45,563.64 and 20,909.32 is: 28,844.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,029.40 : 45,563.64 = 20,909.32 : x
  2. Step 2: Convert to fraction form
    33,029.40/45,563.64 = 20,909.32/x
  3. Step 3: Cross multiply
    33,029.40x = 45,563.64 × 20,909.32
  4. Step 4: Simplify right side
    33,029.40x = 952,704,729.12
  5. Step 5: Solve for x
    x = 952,704,729.12/33,029.40
  6. Step 6: Final answer
    x = 28,844.14

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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.