Home / 35,371.64-48,812.88-21,224.49

Finding the Fourth Proportional to 35,371.64, 48,812.88 and 21,224.49

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Solution

The fourth proportional to 35,371.64, 48,812.88 and 21,224.49 is: 29,289.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,371.64 : 48,812.88 = 21,224.49 : x
  2. Step 2: Convert to fraction form
    35,371.64/48,812.88 = 21,224.49/x
  3. Step 3: Cross multiply
    35,371.64x = 48,812.88 × 21,224.49
  4. Step 4: Simplify right side
    35,371.64x = 1,036,028,483.43
  5. Step 5: Solve for x
    x = 1,036,028,483.43/35,371.64
  6. Step 6: Final answer
    x = 29,289.81

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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.