Home / 35,772.89-49,364.82-19,639.80

Finding the Fourth Proportional to 35,772.89, 49,364.82 and 19,639.80

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Solution

The fourth proportional to 35,772.89, 49,364.82 and 19,639.80 is: 27,101.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,772.89 : 49,364.82 = 19,639.80 : x
  2. Step 2: Convert to fraction form
    35,772.89/49,364.82 = 19,639.80/x
  3. Step 3: Cross multiply
    35,772.89x = 49,364.82 × 19,639.80
  4. Step 4: Simplify right side
    35,772.89x = 969,515,191.84
  5. Step 5: Solve for x
    x = 969,515,191.84/35,772.89
  6. Step 6: Final answer
    x = 27,101.96

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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.