Home / 35,859.28-53,796.21-12,487.54

Finding the Fourth Proportional to 35,859.28, 53,796.21 and 12,487.54

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Solution

The fourth proportional to 35,859.28, 53,796.21 and 12,487.54 is: 18,733.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,859.28 : 53,796.21 = 12,487.54 : x
  2. Step 2: Convert to fraction form
    35,859.28/53,796.21 = 12,487.54/x
  3. Step 3: Cross multiply
    35,859.28x = 53,796.21 × 12,487.54
  4. Step 4: Simplify right side
    35,859.28x = 671,782,324.22
  5. Step 5: Solve for x
    x = 671,782,324.22/35,859.28
  6. Step 6: Final answer
    x = 18,733.85

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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.