Home / 40,938.92-61,408.40-11,364.20

Finding the Fourth Proportional to 40,938.92, 61,408.40 and 11,364.20

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Solution

The fourth proportional to 40,938.92, 61,408.40 and 11,364.20 is: 17,046.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,938.92 : 61,408.40 = 11,364.20 : x
  2. Step 2: Convert to fraction form
    40,938.92/61,408.40 = 11,364.20/x
  3. Step 3: Cross multiply
    40,938.92x = 61,408.40 × 11,364.20
  4. Step 4: Simplify right side
    40,938.92x = 697,857,339.28
  5. Step 5: Solve for x
    x = 697,857,339.28/40,938.92
  6. Step 6: Final answer
    x = 17,046.31

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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.