Home / 49,077.96-67,728.06-27,857.40

Finding the Fourth Proportional to 49,077.96, 67,728.06 and 27,857.40

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Solution

The fourth proportional to 49,077.96, 67,728.06 and 27,857.40 is: 38,443.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,077.96 : 67,728.06 = 27,857.40 : x
  2. Step 2: Convert to fraction form
    49,077.96/67,728.06 = 27,857.40/x
  3. Step 3: Cross multiply
    49,077.96x = 67,728.06 × 27,857.40
  4. Step 4: Simplify right side
    49,077.96x = 1,886,727,658.64
  5. Step 5: Solve for x
    x = 1,886,727,658.64/49,077.96
  6. Step 6: Final answer
    x = 38,443.48

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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.