Home / 40,934.75-56,489.40-23,029.79

Finding the Fourth Proportional to 40,934.75, 56,489.40 and 23,029.79

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Solution

The fourth proportional to 40,934.75, 56,489.40 and 23,029.79 is: 31,780.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,934.75 : 56,489.40 = 23,029.79 : x
  2. Step 2: Convert to fraction form
    40,934.75/56,489.40 = 23,029.79/x
  3. Step 3: Cross multiply
    40,934.75x = 56,489.40 × 23,029.79
  4. Step 4: Simplify right side
    40,934.75x = 1,300,938,736.78
  5. Step 5: Solve for x
    x = 1,300,938,736.78/40,934.75
  6. Step 6: Final answer
    x = 31,780.79

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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.