Home / 35,778.09-49,376.06-20,671.41

Finding the Fourth Proportional to 35,778.09, 49,376.06 and 20,671.41

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Solution

The fourth proportional to 35,778.09, 49,376.06 and 20,671.41 is: 28,527.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,778.09 : 49,376.06 = 20,671.41 : x
  2. Step 2: Convert to fraction form
    35,778.09/49,376.06 = 20,671.41/x
  3. Step 3: Cross multiply
    35,778.09x = 49,376.06 × 20,671.41
  4. Step 4: Simplify right side
    35,778.09x = 1,020,672,780.44
  5. Step 5: Solve for x
    x = 1,020,672,780.44/35,778.09
  6. Step 6: Final answer
    x = 28,527.87

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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.