Home / 42,213.96-63,342-17,272.44

Finding the Fourth Proportional to 42,213.96, 63,342 and 17,272.44

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Solution

The fourth proportional to 42,213.96, 63,342 and 17,272.44 is: 25,917.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,213.96 : 63,342 = 17,272.44 : x
  2. Step 2: Convert to fraction form
    42,213.96/63,342 = 17,272.44/x
  3. Step 3: Cross multiply
    42,213.96x = 63,342 × 17,272.44
  4. Step 4: Simplify right side
    42,213.96x = 1,094,070,894.48
  5. Step 5: Solve for x
    x = 1,094,070,894.48/42,213.96
  6. Step 6: Final answer
    x = 25,917.28

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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.