Home / 40,756.04-61,121.43-19,682.98

Finding the Fourth Proportional to 40,756.04, 61,121.43 and 19,682.98

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Solution

The fourth proportional to 40,756.04, 61,121.43 and 19,682.98 is: 29,518.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,756.04 : 61,121.43 = 19,682.98 : x
  2. Step 2: Convert to fraction form
    40,756.04/61,121.43 = 19,682.98/x
  3. Step 3: Cross multiply
    40,756.04x = 61,121.43 × 19,682.98
  4. Step 4: Simplify right side
    40,756.04x = 1,203,051,884.26
  5. Step 5: Solve for x
    x = 1,203,051,884.26/40,756.04
  6. Step 6: Final answer
    x = 29,518.37

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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.