Home / 49,001.44-67,610.16-31,090

Finding the Fourth Proportional to 49,001.44, 67,610.16 and 31,090

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Solution

The fourth proportional to 49,001.44, 67,610.16 and 31,090 is: 42,896.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,001.44 : 67,610.16 = 31,090 : x
  2. Step 2: Convert to fraction form
    49,001.44/67,610.16 = 31,090/x
  3. Step 3: Cross multiply
    49,001.44x = 67,610.16 × 31,090
  4. Step 4: Simplify right side
    49,001.44x = 2,101,999,874.40
  5. Step 5: Solve for x
    x = 2,101,999,874.40/49,001.44
  6. Step 6: Final answer
    x = 42,896.70

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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.