Home / 42,377.70-63,566.94-12,795.78

Finding the Fourth Proportional to 42,377.70, 63,566.94 and 12,795.78

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Solution

The fourth proportional to 42,377.70, 63,566.94 and 12,795.78 is: 19,193.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,377.70 : 63,566.94 = 12,795.78 : x
  2. Step 2: Convert to fraction form
    42,377.70/63,566.94 = 12,795.78/x
  3. Step 3: Cross multiply
    42,377.70x = 63,566.94 × 12,795.78
  4. Step 4: Simplify right side
    42,377.70x = 813,388,579.51
  5. Step 5: Solve for x
    x = 813,388,579.51/42,377.70
  6. Step 6: Final answer
    x = 19,193.79

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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.