Home / 30,339.09-45,529.13-10,617.82

Finding the Fourth Proportional to 30,339.09, 45,529.13 and 10,617.82

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Solution

The fourth proportional to 30,339.09, 45,529.13 and 10,617.82 is: 15,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,339.09 : 45,529.13 = 10,617.82 : x
  2. Step 2: Convert to fraction form
    30,339.09/45,529.13 = 10,617.82/x
  3. Step 3: Cross multiply
    30,339.09x = 45,529.13 × 10,617.82
  4. Step 4: Simplify right side
    30,339.09x = 483,420,107.10
  5. Step 5: Solve for x
    x = 483,420,107.10/30,339.09
  6. Step 6: Final answer
    x = 15,933.90

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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.