Home / 43,675.32-65,512.96-28,978.14

Finding the Fourth Proportional to 43,675.32, 65,512.96 and 28,978.14

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Solution

The fourth proportional to 43,675.32, 65,512.96 and 28,978.14 is: 43,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,675.32 : 65,512.96 = 28,978.14 : x
  2. Step 2: Convert to fraction form
    43,675.32/65,512.96 = 28,978.14/x
  3. Step 3: Cross multiply
    43,675.32x = 65,512.96 × 28,978.14
  4. Step 4: Simplify right side
    43,675.32x = 1,898,443,726.69
  5. Step 5: Solve for x
    x = 1,898,443,726.69/43,675.32
  6. Step 6: Final answer
    x = 43,467.20

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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.