Home / 43,577.44-65,362.56-13,987.36

Finding the Fourth Proportional to 43,577.44, 65,362.56 and 13,987.36

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Solution

The fourth proportional to 43,577.44, 65,362.56 and 13,987.36 is: 20,979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,577.44 : 65,362.56 = 13,987.36 : x
  2. Step 2: Convert to fraction form
    43,577.44/65,362.56 = 13,987.36/x
  3. Step 3: Cross multiply
    43,577.44x = 65,362.56 × 13,987.36
  4. Step 4: Simplify right side
    43,577.44x = 914,249,657.24
  5. Step 5: Solve for x
    x = 914,249,657.24/43,577.44
  6. Step 6: Final answer
    x = 20,979.88

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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.