Home / 55,072.96-82,979.72-49,813.92

Finding the Fourth Proportional to 55,072.96, 82,979.72 and 49,813.92

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Solution

The fourth proportional to 55,072.96, 82,979.72 and 49,813.92 is: 75,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,072.96 : 82,979.72 = 49,813.92 : x
  2. Step 2: Convert to fraction form
    55,072.96/82,979.72 = 49,813.92/x
  3. Step 3: Cross multiply
    55,072.96x = 82,979.72 × 49,813.92
  4. Step 4: Simplify right side
    55,072.96x = 4,133,545,133.70
  5. Step 5: Solve for x
    x = 4,133,545,133.70/55,072.96
  6. Step 6: Final answer
    x = 75,055.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.