Home / 35,243.28-48,634.29-21,087.72

Finding the Fourth Proportional to 35,243.28, 48,634.29 and 21,087.72

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Solution

The fourth proportional to 35,243.28, 48,634.29 and 21,087.72 is: 29,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,243.28 : 48,634.29 = 21,087.72 : x
  2. Step 2: Convert to fraction form
    35,243.28/48,634.29 = 21,087.72/x
  3. Step 3: Cross multiply
    35,243.28x = 48,634.29 × 21,087.72
  4. Step 4: Simplify right side
    35,243.28x = 1,025,586,289.92
  5. Step 5: Solve for x
    x = 1,025,586,289.92/35,243.28
  6. Step 6: Final answer
    x = 29,100.19

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1.5x scale

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.