Home / 35,121.28-48,492.72-21,710.92

Finding the Fourth Proportional to 35,121.28, 48,492.72 and 21,710.92

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Solution

The fourth proportional to 35,121.28, 48,492.72 and 21,710.92 is: 29,976.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,121.28 : 48,492.72 = 21,710.92 : x
  2. Step 2: Convert to fraction form
    35,121.28/48,492.72 = 21,710.92/x
  3. Step 3: Cross multiply
    35,121.28x = 48,492.72 × 21,710.92
  4. Step 4: Simplify right side
    35,121.28x = 1,052,821,564.50
  5. Step 5: Solve for x
    x = 1,052,821,564.50/35,121.28
  6. Step 6: Final answer
    x = 29,976.74

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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.