Home / 31,092.24-42,897.90-28,098.48

Finding the Fourth Proportional to 31,092.24, 42,897.90 and 28,098.48

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Solution

The fourth proportional to 31,092.24, 42,897.90 and 28,098.48 is: 38,767.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,092.24 : 42,897.90 = 28,098.48 : x
  2. Step 2: Convert to fraction form
    31,092.24/42,897.90 = 28,098.48/x
  3. Step 3: Cross multiply
    31,092.24x = 42,897.90 × 28,098.48
  4. Step 4: Simplify right side
    31,092.24x = 1,205,365,785.19
  5. Step 5: Solve for x
    x = 1,205,365,785.19/31,092.24
  6. Step 6: Final answer
    x = 38,767.42

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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.