Home / 35,778.20-49,376.21-20,671.49

Finding the Fourth Proportional to 35,778.20, 49,376.21 and 20,671.49

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Solution

The fourth proportional to 35,778.20, 49,376.21 and 20,671.49 is: 28,527.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,778.20 : 49,376.21 = 20,671.49 : x
  2. Step 2: Convert to fraction form
    35,778.20/49,376.21 = 20,671.49/x
  3. Step 3: Cross multiply
    35,778.20x = 49,376.21 × 20,671.49
  4. Step 4: Simplify right side
    35,778.20x = 1,020,679,481.01
  5. Step 5: Solve for x
    x = 1,020,679,481.01/35,778.20
  6. Step 6: Final answer
    x = 28,527.98

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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.