Home / 33,889.34-46,756.08-20,455.49

Finding the Fourth Proportional to 33,889.34, 46,756.08 and 20,455.49

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Solution

The fourth proportional to 33,889.34, 46,756.08 and 20,455.49 is: 28,221.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,889.34 : 46,756.08 = 20,455.49 : x
  2. Step 2: Convert to fraction form
    33,889.34/46,756.08 = 20,455.49/x
  3. Step 3: Cross multiply
    33,889.34x = 46,756.08 × 20,455.49
  4. Step 4: Simplify right side
    33,889.34x = 956,418,293.10
  5. Step 5: Solve for x
    x = 956,418,293.10/33,889.34
  6. Step 6: Final answer
    x = 28,221.81

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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.