Home / 33,890.06-46,767.60-20,461.88

Finding the Fourth Proportional to 33,890.06, 46,767.60 and 20,461.88

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Solution

The fourth proportional to 33,890.06, 46,767.60 and 20,461.88 is: 28,236.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,890.06 : 46,767.60 = 20,461.88 : x
  2. Step 2: Convert to fraction form
    33,890.06/46,767.60 = 20,461.88/x
  3. Step 3: Cross multiply
    33,890.06x = 46,767.60 × 20,461.88
  4. Step 4: Simplify right side
    33,890.06x = 956,953,019.09
  5. Step 5: Solve for x
    x = 956,953,019.09/33,890.06
  6. Step 6: Final answer
    x = 28,236.98

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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.