Home / 45,978.43-63,457.10-28,083.73

Finding the Fourth Proportional to 45,978.43, 63,457.10 and 28,083.73

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Solution

The fourth proportional to 45,978.43, 63,457.10 and 28,083.73 is: 38,759.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,978.43 : 63,457.10 = 28,083.73 : x
  2. Step 2: Convert to fraction form
    45,978.43/63,457.10 = 28,083.73/x
  3. Step 3: Cross multiply
    45,978.43x = 63,457.10 × 28,083.73
  4. Step 4: Simplify right side
    45,978.43x = 1,782,112,062.98
  5. Step 5: Solve for x
    x = 1,782,112,062.98/45,978.43
  6. Step 6: Final answer
    x = 38,759.74

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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.