Home / 35,371.79-52,968.97-21,131.49

Finding the Fourth Proportional to 35,371.79, 52,968.97 and 21,131.49

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Solution

The fourth proportional to 35,371.79, 52,968.97 and 21,131.49 is: 31,644.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,371.79 : 52,968.97 = 21,131.49 : x
  2. Step 2: Convert to fraction form
    35,371.79/52,968.97 = 21,131.49/x
  3. Step 3: Cross multiply
    35,371.79x = 52,968.97 × 21,131.49
  4. Step 4: Simplify right side
    35,371.79x = 1,119,313,207.04
  5. Step 5: Solve for x
    x = 1,119,313,207.04/35,371.79
  6. Step 6: Final answer
    x = 31,644.23

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1.5x scale

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.