Home / 33,889.84-46,756.77-20,455.99

Finding the Fourth Proportional to 33,889.84, 46,756.77 and 20,455.99

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Solution

The fourth proportional to 33,889.84, 46,756.77 and 20,455.99 is: 28,222.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,889.84 : 46,756.77 = 20,455.99 : x
  2. Step 2: Convert to fraction form
    33,889.84/46,756.77 = 20,455.99/x
  3. Step 3: Cross multiply
    33,889.84x = 46,756.77 × 20,455.99
  4. Step 4: Simplify right side
    33,889.84x = 956,456,019.55
  5. Step 5: Solve for x
    x = 956,456,019.55/33,889.84
  6. Step 6: Final answer
    x = 28,222.50

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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.