Home / 42,450.33-63,671.83-14,369.78

Finding the Fourth Proportional to 42,450.33, 63,671.83 and 14,369.78

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Solution

The fourth proportional to 42,450.33, 63,671.83 and 14,369.78 is: 21,553.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,450.33 : 63,671.83 = 14,369.78 : x
  2. Step 2: Convert to fraction form
    42,450.33/63,671.83 = 14,369.78/x
  3. Step 3: Cross multiply
    42,450.33x = 63,671.83 × 14,369.78
  4. Step 4: Simplify right side
    42,450.33x = 914,950,312.55
  5. Step 5: Solve for x
    x = 914,950,312.55/42,450.33
  6. Step 6: Final answer
    x = 21,553.43

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1.5x scale

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.