Home / 51,606.60-71,221.14-28,950.68

Finding the Fourth Proportional to 51,606.60, 71,221.14 and 28,950.68

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Solution

The fourth proportional to 51,606.60, 71,221.14 and 28,950.68 is: 39,954.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,606.60 : 71,221.14 = 28,950.68 : x
  2. Step 2: Convert to fraction form
    51,606.60/71,221.14 = 28,950.68/x
  3. Step 3: Cross multiply
    51,606.60x = 71,221.14 × 28,950.68
  4. Step 4: Simplify right side
    51,606.60x = 2,061,900,077.27
  5. Step 5: Solve for x
    x = 2,061,900,077.27/51,606.60
  6. Step 6: Final answer
    x = 39,954.19

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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.