Home / 40,933.20-61,408.80-15,973.20

Finding the Fourth Proportional to 40,933.20, 61,408.80 and 15,973.20

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Solution

The fourth proportional to 40,933.20, 61,408.80 and 15,973.20 is: 23,963.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,933.20 : 61,408.80 = 15,973.20 : x
  2. Step 2: Convert to fraction form
    40,933.20/61,408.80 = 15,973.20/x
  3. Step 3: Cross multiply
    40,933.20x = 61,408.80 × 15,973.20
  4. Step 4: Simplify right side
    40,933.20x = 980,895,044.16
  5. Step 5: Solve for x
    x = 980,895,044.16/40,933.20
  6. Step 6: Final answer
    x = 23,963.31

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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.