Home / 30,731.76-46,098.52-12,011.04

Finding the Fourth Proportional to 30,731.76, 46,098.52 and 12,011.04

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Solution

The fourth proportional to 30,731.76, 46,098.52 and 12,011.04 is: 18,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,731.76 : 46,098.52 = 12,011.04 : x
  2. Step 2: Convert to fraction form
    30,731.76/46,098.52 = 12,011.04/x
  3. Step 3: Cross multiply
    30,731.76x = 46,098.52 × 12,011.04
  4. Step 4: Simplify right side
    30,731.76x = 553,691,167.66
  5. Step 5: Solve for x
    x = 553,691,167.66/30,731.76
  6. Step 6: Final answer
    x = 18,016.90

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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.