Home / 39,746.30-59,635.74-21,021.32

Finding the Fourth Proportional to 39,746.30, 59,635.74 and 21,021.32

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Solution

The fourth proportional to 39,746.30, 59,635.74 and 21,021.32 is: 31,540.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,746.30 : 59,635.74 = 21,021.32 : x
  2. Step 2: Convert to fraction form
    39,746.30/59,635.74 = 21,021.32/x
  3. Step 3: Cross multiply
    39,746.30x = 59,635.74 × 21,021.32
  4. Step 4: Simplify right side
    39,746.30x = 1,253,622,201.90
  5. Step 5: Solve for x
    x = 1,253,622,201.90/39,746.30
  6. Step 6: Final answer
    x = 31,540.61

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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.