Home / 73,001.38-109,516.67-30,881.28

Finding the Fourth Proportional to 73,001.38, 109,516.67 and 30,881.28

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Solution

The fourth proportional to 73,001.38, 109,516.67 and 30,881.28 is: 46,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,001.38 : 109,516.67 = 30,881.28 : x
  2. Step 2: Convert to fraction form
    73,001.38/109,516.67 = 30,881.28/x
  3. Step 3: Cross multiply
    73,001.38x = 109,516.67 × 30,881.28
  4. Step 4: Simplify right side
    73,001.38x = 3,382,014,950.94
  5. Step 5: Solve for x
    x = 3,382,014,950.94/73,001.38
  6. Step 6: Final answer
    x = 46,328.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.