Home / 30,539.09-45,782.66-13,893.29

Finding the Fourth Proportional to 30,539.09, 45,782.66 and 13,893.29

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Solution

The fourth proportional to 30,539.09, 45,782.66 and 13,893.29 is: 20,828.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,539.09 : 45,782.66 = 13,893.29 : x
  2. Step 2: Convert to fraction form
    30,539.09/45,782.66 = 13,893.29/x
  3. Step 3: Cross multiply
    30,539.09x = 45,782.66 × 13,893.29
  4. Step 4: Simplify right side
    30,539.09x = 636,071,473.97
  5. Step 5: Solve for x
    x = 636,071,473.97/30,539.09
  6. Step 6: Final answer
    x = 20,828.11

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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.