Home / 30,028.08-45,006.95-12,247.65

Finding the Fourth Proportional to 30,028.08, 45,006.95 and 12,247.65

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Solution

The fourth proportional to 30,028.08, 45,006.95 and 12,247.65 is: 18,357.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,028.08 : 45,006.95 = 12,247.65 : x
  2. Step 2: Convert to fraction form
    30,028.08/45,006.95 = 12,247.65/x
  3. Step 3: Cross multiply
    30,028.08x = 45,006.95 × 12,247.65
  4. Step 4: Simplify right side
    30,028.08x = 551,229,371.17
  5. Step 5: Solve for x
    x = 551,229,371.17/30,028.08
  6. Step 6: Final answer
    x = 18,357.13

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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.