Home / 30,297.15-41,815.17-19,539

Finding the Fourth Proportional to 30,297.15, 41,815.17 and 19,539

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Solution

The fourth proportional to 30,297.15, 41,815.17 and 19,539 is: 26,967.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,297.15 : 41,815.17 = 19,539 : x
  2. Step 2: Convert to fraction form
    30,297.15/41,815.17 = 19,539/x
  3. Step 3: Cross multiply
    30,297.15x = 41,815.17 × 19,539
  4. Step 4: Simplify right side
    30,297.15x = 817,026,606.63
  5. Step 5: Solve for x
    x = 817,026,606.63/30,297.15
  6. Step 6: Final answer
    x = 26,967.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.