Home / 39,945.33-59,917.98-13,650.30

Finding the Fourth Proportional to 39,945.33, 59,917.98 and 13,650.30

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Solution

The fourth proportional to 39,945.33, 59,917.98 and 13,650.30 is: 20,475.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,945.33 : 59,917.98 = 13,650.30 : x
  2. Step 2: Convert to fraction form
    39,945.33/59,917.98 = 13,650.30/x
  3. Step 3: Cross multiply
    39,945.33x = 59,917.98 × 13,650.30
  4. Step 4: Simplify right side
    39,945.33x = 817,898,402.39
  5. Step 5: Solve for x
    x = 817,898,402.39/39,945.33
  6. Step 6: Final answer
    x = 20,475.44

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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.