Home / 30,626.52-45,918.06-11,890.77

Finding the Fourth Proportional to 30,626.52, 45,918.06 and 11,890.77

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Solution

The fourth proportional to 30,626.52, 45,918.06 and 11,890.77 is: 17,827.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,626.52 : 45,918.06 = 11,890.77 : x
  2. Step 2: Convert to fraction form
    30,626.52/45,918.06 = 11,890.77/x
  3. Step 3: Cross multiply
    30,626.52x = 45,918.06 × 11,890.77
  4. Step 4: Simplify right side
    30,626.52x = 546,000,873.52
  5. Step 5: Solve for x
    x = 546,000,873.52/30,626.52
  6. Step 6: Final answer
    x = 17,827.71

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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.