Home / 42,212.34-63,327.88-15,917.32

Finding the Fourth Proportional to 42,212.34, 63,327.88 and 15,917.32

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Solution

The fourth proportional to 42,212.34, 63,327.88 and 15,917.32 is: 23,879.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,212.34 : 63,327.88 = 15,917.32 : x
  2. Step 2: Convert to fraction form
    42,212.34/63,327.88 = 15,917.32/x
  3. Step 3: Cross multiply
    42,212.34x = 63,327.88 × 15,917.32
  4. Step 4: Simplify right side
    42,212.34x = 1,008,010,130.88
  5. Step 5: Solve for x
    x = 1,008,010,130.88/42,212.34
  6. Step 6: Final answer
    x = 23,879.51

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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.