Home / 51,852.10-77,760.84-20,253.96

Finding the Fourth Proportional to 51,852.10, 77,760.84 and 20,253.96

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Solution

The fourth proportional to 51,852.10, 77,760.84 and 20,253.96 is: 30,374.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,852.10 : 77,760.84 = 20,253.96 : x
  2. Step 2: Convert to fraction form
    51,852.10/77,760.84 = 20,253.96/x
  3. Step 3: Cross multiply
    51,852.10x = 77,760.84 × 20,253.96
  4. Step 4: Simplify right side
    51,852.10x = 1,574,964,942.93
  5. Step 5: Solve for x
    x = 1,574,964,942.93/51,852.10
  6. Step 6: Final answer
    x = 30,374.18

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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.