Home / 40,716.48-56,188.68-22,811.61

Finding the Fourth Proportional to 40,716.48, 56,188.68 and 22,811.61

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Solution

The fourth proportional to 40,716.48, 56,188.68 and 22,811.61 is: 31,479.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,716.48 : 56,188.68 = 22,811.61 : x
  2. Step 2: Convert to fraction form
    40,716.48/56,188.68 = 22,811.61/x
  3. Step 3: Cross multiply
    40,716.48x = 56,188.68 × 22,811.61
  4. Step 4: Simplify right side
    40,716.48x = 1,281,754,254.57
  5. Step 5: Solve for x
    x = 1,281,754,254.57/40,716.48
  6. Step 6: Final answer
    x = 31,479.99

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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.