Home / 40,719.72-56,196.66-22,814.46

Finding the Fourth Proportional to 40,719.72, 56,196.66 and 22,814.46

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Solution

The fourth proportional to 40,719.72, 56,196.66 and 22,814.46 is: 31,485.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,719.72 : 56,196.66 = 22,814.46 : x
  2. Step 2: Convert to fraction form
    40,719.72/56,196.66 = 22,814.46/x
  3. Step 3: Cross multiply
    40,719.72x = 56,196.66 × 22,814.46
  4. Step 4: Simplify right side
    40,719.72x = 1,282,096,451.70
  5. Step 5: Solve for x
    x = 1,282,096,451.70/40,719.72
  6. Step 6: Final answer
    x = 31,485.89

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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.