Home / 33,265.12-45,894.66-20,689.12

Finding the Fourth Proportional to 33,265.12, 45,894.66 and 20,689.12

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Solution

The fourth proportional to 33,265.12, 45,894.66 and 20,689.12 is: 28,544.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,265.12 : 45,894.66 = 20,689.12 : x
  2. Step 2: Convert to fraction form
    33,265.12/45,894.66 = 20,689.12/x
  3. Step 3: Cross multiply
    33,265.12x = 45,894.66 × 20,689.12
  4. Step 4: Simplify right side
    33,265.12x = 949,520,128.10
  5. Step 5: Solve for x
    x = 949,520,128.10/33,265.12
  6. Step 6: Final answer
    x = 28,544.02

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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.