Home / 51,656.58-77,454.75-20,029.69

Finding the Fourth Proportional to 51,656.58, 77,454.75 and 20,029.69

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Solution

The fourth proportional to 51,656.58, 77,454.75 and 20,029.69 is: 30,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,656.58 : 77,454.75 = 20,029.69 : x
  2. Step 2: Convert to fraction form
    51,656.58/77,454.75 = 20,029.69/x
  3. Step 3: Cross multiply
    51,656.58x = 77,454.75 × 20,029.69
  4. Step 4: Simplify right side
    51,656.58x = 1,551,394,631.53
  5. Step 5: Solve for x
    x = 1,551,394,631.53/51,656.58
  6. Step 6: Final answer
    x = 30,032.86

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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.