Home / 31,709.79-43,759.48-17,562.62

Finding the Fourth Proportional to 31,709.79, 43,759.48 and 17,562.62

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Solution

The fourth proportional to 31,709.79, 43,759.48 and 17,562.62 is: 24,236.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,709.79 : 43,759.48 = 17,562.62 : x
  2. Step 2: Convert to fraction form
    31,709.79/43,759.48 = 17,562.62/x
  3. Step 3: Cross multiply
    31,709.79x = 43,759.48 × 17,562.62
  4. Step 4: Simplify right side
    31,709.79x = 768,531,030.82
  5. Step 5: Solve for x
    x = 768,531,030.82/31,709.79
  6. Step 6: Final answer
    x = 24,236.40

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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.