Home / 33,076.80-45,639.36-19,650.24

Finding the Fourth Proportional to 33,076.80, 45,639.36 and 19,650.24

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Solution

The fourth proportional to 33,076.80, 45,639.36 and 19,650.24 is: 27,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,076.80 : 45,639.36 = 19,650.24 : x
  2. Step 2: Convert to fraction form
    33,076.80/45,639.36 = 19,650.24/x
  3. Step 3: Cross multiply
    33,076.80x = 45,639.36 × 19,650.24
  4. Step 4: Simplify right side
    33,076.80x = 896,824,377.45
  5. Step 5: Solve for x
    x = 896,824,377.45/33,076.80
  6. Step 6: Final answer
    x = 27,113.40

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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.