Home / 49,077.84-67,728.24-27,857.76

Finding the Fourth Proportional to 49,077.84, 67,728.24 and 27,857.76

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Solution

The fourth proportional to 49,077.84, 67,728.24 and 27,857.76 is: 38,444.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,077.84 : 67,728.24 = 27,857.76 : x
  2. Step 2: Convert to fraction form
    49,077.84/67,728.24 = 27,857.76/x
  3. Step 3: Cross multiply
    49,077.84x = 67,728.24 × 27,857.76
  4. Step 4: Simplify right side
    49,077.84x = 1,886,757,055.14
  5. Step 5: Solve for x
    x = 1,886,757,055.14/49,077.84
  6. Step 6: Final answer
    x = 38,444.17

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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.