Home / 32,486.13-44,817.30-21,857.31

Finding the Fourth Proportional to 32,486.13, 44,817.30 and 21,857.31

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Solution

The fourth proportional to 32,486.13, 44,817.30 and 21,857.31 is: 30,153.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,486.13 : 44,817.30 = 21,857.31 : x
  2. Step 2: Convert to fraction form
    32,486.13/44,817.30 = 21,857.31/x
  3. Step 3: Cross multiply
    32,486.13x = 44,817.30 × 21,857.31
  4. Step 4: Simplify right side
    32,486.13x = 979,585,619.46
  5. Step 5: Solve for x
    x = 979,585,619.46/32,486.13
  6. Step 6: Final answer
    x = 30,153.96

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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.