Home / 42,309.24-63,419.86-14,208.44

Finding the Fourth Proportional to 42,309.24, 63,419.86 and 14,208.44

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Solution

The fourth proportional to 42,309.24, 63,419.86 and 14,208.44 is: 21,297.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,309.24 : 63,419.86 = 14,208.44 : x
  2. Step 2: Convert to fraction form
    42,309.24/63,419.86 = 14,208.44/x
  3. Step 3: Cross multiply
    42,309.24x = 63,419.86 × 14,208.44
  4. Step 4: Simplify right side
    42,309.24x = 901,097,275.62
  5. Step 5: Solve for x
    x = 901,097,275.62/42,309.24
  6. Step 6: Final answer
    x = 21,297.88

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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.