Home / 40,457.72-55,857.60-26,123.96

Finding the Fourth Proportional to 40,457.72, 55,857.60 and 26,123.96

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Solution

The fourth proportional to 40,457.72, 55,857.60 and 26,123.96 is: 36,067.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,457.72 : 55,857.60 = 26,123.96 : x
  2. Step 2: Convert to fraction form
    40,457.72/55,857.60 = 26,123.96/x
  3. Step 3: Cross multiply
    40,457.72x = 55,857.60 × 26,123.96
  4. Step 4: Simplify right side
    40,457.72x = 1,459,221,847.74
  5. Step 5: Solve for x
    x = 1,459,221,847.74/40,457.72
  6. Step 6: Final answer
    x = 36,067.82

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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.