Home / 40,717.70-56,188.86-22,811.81

Finding the Fourth Proportional to 40,717.70, 56,188.86 and 22,811.81

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Solution

The fourth proportional to 40,717.70, 56,188.86 and 22,811.81 is: 31,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,717.70 : 56,188.86 = 22,811.81 : x
  2. Step 2: Convert to fraction form
    40,717.70/56,188.86 = 22,811.81/x
  3. Step 3: Cross multiply
    40,717.70x = 56,188.86 × 22,811.81
  4. Step 4: Simplify right side
    40,717.70x = 1,281,769,317.49
  5. Step 5: Solve for x
    x = 1,281,769,317.49/40,717.70
  6. Step 6: Final answer
    x = 31,479.42

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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.