Home / 40,909.09-61,356.80-11,329.92

Finding the Fourth Proportional to 40,909.09, 61,356.80 and 11,329.92

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Solution

The fourth proportional to 40,909.09, 61,356.80 and 11,329.92 is: 16,992.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,909.09 : 61,356.80 = 11,329.92 : x
  2. Step 2: Convert to fraction form
    40,909.09/61,356.80 = 11,329.92/x
  3. Step 3: Cross multiply
    40,909.09x = 61,356.80 × 11,329.92
  4. Step 4: Simplify right side
    40,909.09x = 695,167,635.46
  5. Step 5: Solve for x
    x = 695,167,635.46/40,909.09
  6. Step 6: Final answer
    x = 16,992.99

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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.