Home / 76,815.29-115,222.93-24,228.87

Finding the Fourth Proportional to 76,815.29, 115,222.93 and 24,228.87

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Solution

The fourth proportional to 76,815.29, 115,222.93 and 24,228.87 is: 36,343.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,815.29 : 115,222.93 = 24,228.87 : x
  2. Step 2: Convert to fraction form
    76,815.29/115,222.93 = 24,228.87/x
  3. Step 3: Cross multiply
    76,815.29x = 115,222.93 × 24,228.87
  4. Step 4: Simplify right side
    76,815.29x = 2,791,721,391.99
  5. Step 5: Solve for x
    x = 2,791,721,391.99/76,815.29
  6. Step 6: Final answer
    x = 36,343.31

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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.