Home / 30,669.83-45,949.12-14,043.77

Finding the Fourth Proportional to 30,669.83, 45,949.12 and 14,043.77

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Solution

The fourth proportional to 30,669.83, 45,949.12 and 14,043.77 is: 21,040.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,669.83 : 45,949.12 = 14,043.77 : x
  2. Step 2: Convert to fraction form
    30,669.83/45,949.12 = 14,043.77/x
  3. Step 3: Cross multiply
    30,669.83x = 45,949.12 × 14,043.77
  4. Step 4: Simplify right side
    30,669.83x = 645,298,872.98
  5. Step 5: Solve for x
    x = 645,298,872.98/30,669.83
  6. Step 6: Final answer
    x = 21,040.18

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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.