Home / 30,877.62-46,310.82-9,819.90

Finding the Fourth Proportional to 30,877.62, 46,310.82 and 9,819.90

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Solution

The fourth proportional to 30,877.62, 46,310.82 and 9,819.90 is: 14,728.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,877.62 : 46,310.82 = 9,819.90 : x
  2. Step 2: Convert to fraction form
    30,877.62/46,310.82 = 9,819.90/x
  3. Step 3: Cross multiply
    30,877.62x = 46,310.82 × 9,819.90
  4. Step 4: Simplify right side
    30,877.62x = 454,767,621.32
  5. Step 5: Solve for x
    x = 454,767,621.32/30,877.62
  6. Step 6: Final answer
    x = 14,728.07

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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.