Home / 51,140.77-76,744.17-21,558.76

Finding the Fourth Proportional to 51,140.77, 76,744.17 and 21,558.76

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Solution

The fourth proportional to 51,140.77, 76,744.17 and 21,558.76 is: 32,352.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,140.77 : 76,744.17 = 21,558.76 : x
  2. Step 2: Convert to fraction form
    51,140.77/76,744.17 = 21,558.76/x
  3. Step 3: Cross multiply
    51,140.77x = 76,744.17 × 21,558.76
  4. Step 4: Simplify right side
    51,140.77x = 1,654,509,142.43
  5. Step 5: Solve for x
    x = 1,654,509,142.43/51,140.77
  6. Step 6: Final answer
    x = 32,352.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.