Home / 49,631.09-68,501.70-30,527.28

Finding the Fourth Proportional to 49,631.09, 68,501.70 and 30,527.28

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Solution

The fourth proportional to 49,631.09, 68,501.70 and 30,527.28 is: 42,134.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,631.09 : 68,501.70 = 30,527.28 : x
  2. Step 2: Convert to fraction form
    49,631.09/68,501.70 = 30,527.28/x
  3. Step 3: Cross multiply
    49,631.09x = 68,501.70 × 30,527.28
  4. Step 4: Simplify right side
    49,631.09x = 2,091,170,576.38
  5. Step 5: Solve for x
    x = 2,091,170,576.38/49,631.09
  6. Step 6: Final answer
    x = 42,134.29

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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.