Home / 33,037.03-45,628.95-21,756.95

Finding the Fourth Proportional to 33,037.03, 45,628.95 and 21,756.95

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Solution

The fourth proportional to 33,037.03, 45,628.95 and 21,756.95 is: 30,049.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,037.03 : 45,628.95 = 21,756.95 : x
  2. Step 2: Convert to fraction form
    33,037.03/45,628.95 = 21,756.95/x
  3. Step 3: Cross multiply
    33,037.03x = 45,628.95 × 21,756.95
  4. Step 4: Simplify right side
    33,037.03x = 992,746,496.35
  5. Step 5: Solve for x
    x = 992,746,496.35/33,037.03
  6. Step 6: Final answer
    x = 30,049.51

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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.