Home / 38,634.14-53,310.69-21,636.02

Finding the Fourth Proportional to 38,634.14, 53,310.69 and 21,636.02

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Solution

The fourth proportional to 38,634.14, 53,310.69 and 21,636.02 is: 29,855.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,634.14 : 53,310.69 = 21,636.02 : x
  2. Step 2: Convert to fraction form
    38,634.14/53,310.69 = 21,636.02/x
  3. Step 3: Cross multiply
    38,634.14x = 53,310.69 × 21,636.02
  4. Step 4: Simplify right side
    38,634.14x = 1,153,430,888.50
  5. Step 5: Solve for x
    x = 1,153,430,888.50/38,634.14
  6. Step 6: Final answer
    x = 29,855.23

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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.