Home / 42,519.24-58,686.66-25,749

Finding the Fourth Proportional to 42,519.24, 58,686.66 and 25,749

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Solution

The fourth proportional to 42,519.24, 58,686.66 and 25,749 is: 35,539.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,519.24 : 58,686.66 = 25,749 : x
  2. Step 2: Convert to fraction form
    42,519.24/58,686.66 = 25,749/x
  3. Step 3: Cross multiply
    42,519.24x = 58,686.66 × 25,749
  4. Step 4: Simplify right side
    42,519.24x = 1,511,122,808.34
  5. Step 5: Solve for x
    x = 1,511,122,808.34/42,519.24
  6. Step 6: Final answer
    x = 35,539.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.