Home / 49,678.37-68,538.73-28,164.96

Finding the Fourth Proportional to 49,678.37, 68,538.73 and 28,164.96

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Solution

The fourth proportional to 49,678.37, 68,538.73 and 28,164.96 is: 38,857.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,678.37 : 68,538.73 = 28,164.96 : x
  2. Step 2: Convert to fraction form
    49,678.37/68,538.73 = 28,164.96/x
  3. Step 3: Cross multiply
    49,678.37x = 68,538.73 × 28,164.96
  4. Step 4: Simplify right side
    49,678.37x = 1,930,390,588.90
  5. Step 5: Solve for x
    x = 1,930,390,588.90/49,678.37
  6. Step 6: Final answer
    x = 38,857.77

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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.