Home / 51,491.76-71,066.21-31,360.43

Finding the Fourth Proportional to 51,491.76, 71,066.21 and 31,360.43

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Solution

The fourth proportional to 51,491.76, 71,066.21 and 31,360.43 is: 43,282.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,491.76 : 71,066.21 = 31,360.43 : x
  2. Step 2: Convert to fraction form
    51,491.76/71,066.21 = 31,360.43/x
  3. Step 3: Cross multiply
    51,491.76x = 71,066.21 × 31,360.43
  4. Step 4: Simplify right side
    51,491.76x = 2,228,666,391.94
  5. Step 5: Solve for x
    x = 2,228,666,391.94/51,491.76
  6. Step 6: Final answer
    x = 43,282.00

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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.