Home / 30,619.38-45,929.32-8,433.98

Finding the Fourth Proportional to 30,619.38, 45,929.32 and 8,433.98

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Solution

The fourth proportional to 30,619.38, 45,929.32 and 8,433.98 is: 12,651.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619.38 : 45,929.32 = 8,433.98 : x
  2. Step 2: Convert to fraction form
    30,619.38/45,929.32 = 8,433.98/x
  3. Step 3: Cross multiply
    30,619.38x = 45,929.32 × 8,433.98
  4. Step 4: Simplify right side
    30,619.38x = 387,366,966.29
  5. Step 5: Solve for x
    x = 387,366,966.29/30,619.38
  6. Step 6: Final answer
    x = 12,651.04

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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.