Home / 30,732.66-46,098.90-19,611.72

Finding the Fourth Proportional to 30,732.66, 46,098.90 and 19,611.72

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Solution

The fourth proportional to 30,732.66, 46,098.90 and 19,611.72 is: 29,417.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,732.66 : 46,098.90 = 19,611.72 : x
  2. Step 2: Convert to fraction form
    30,732.66/46,098.90 = 19,611.72/x
  3. Step 3: Cross multiply
    30,732.66x = 46,098.90 × 19,611.72
  4. Step 4: Simplify right side
    30,732.66x = 904,078,719.11
  5. Step 5: Solve for x
    x = 904,078,719.11/30,732.66
  6. Step 6: Final answer
    x = 29,417.52

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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.