Home / 49,431.72-68,246.74-38,079.84

Finding the Fourth Proportional to 49,431.72, 68,246.74 and 38,079.84

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Solution

The fourth proportional to 49,431.72, 68,246.74 and 38,079.84 is: 52,574.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,431.72 : 68,246.74 = 38,079.84 : x
  2. Step 2: Convert to fraction form
    49,431.72/68,246.74 = 38,079.84/x
  3. Step 3: Cross multiply
    49,431.72x = 68,246.74 × 38,079.84
  4. Step 4: Simplify right side
    49,431.72x = 2,598,824,939.72
  5. Step 5: Solve for x
    x = 2,598,824,939.72/49,431.72
  6. Step 6: Final answer
    x = 52,574.03

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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.