Home / 51,093.12-76,594.20-19,921.20

Finding the Fourth Proportional to 51,093.12, 76,594.20 and 19,921.20

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Solution

The fourth proportional to 51,093.12, 76,594.20 and 19,921.20 is: 29,864.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,093.12 : 76,594.20 = 19,921.20 : x
  2. Step 2: Convert to fraction form
    51,093.12/76,594.20 = 19,921.20/x
  3. Step 3: Cross multiply
    51,093.12x = 76,594.20 × 19,921.20
  4. Step 4: Simplify right side
    51,093.12x = 1,525,848,377.04
  5. Step 5: Solve for x
    x = 1,525,848,377.04/51,093.12
  6. Step 6: Final answer
    x = 29,864.07

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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.