Home / 35,824.43-53,662.77-20,988.38

Finding the Fourth Proportional to 35,824.43, 53,662.77 and 20,988.38

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Solution

The fourth proportional to 35,824.43, 53,662.77 and 20,988.38 is: 31,439.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,824.43 : 53,662.77 = 20,988.38 : x
  2. Step 2: Convert to fraction form
    35,824.43/53,662.77 = 20,988.38/x
  3. Step 3: Cross multiply
    35,824.43x = 53,662.77 × 20,988.38
  4. Step 4: Simplify right side
    35,824.43x = 1,126,294,340.30
  5. Step 5: Solve for x
    x = 1,126,294,340.30/35,824.43
  6. Step 6: Final answer
    x = 31,439.29

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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.