Home / 35,391.04-48,819.32-22,120

Finding the Fourth Proportional to 35,391.04, 48,819.32 and 22,120

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Solution

The fourth proportional to 35,391.04, 48,819.32 and 22,120 is: 30,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,391.04 : 48,819.32 = 22,120 : x
  2. Step 2: Convert to fraction form
    35,391.04/48,819.32 = 22,120/x
  3. Step 3: Cross multiply
    35,391.04x = 48,819.32 × 22,120
  4. Step 4: Simplify right side
    35,391.04x = 1,079,883,358.40
  5. Step 5: Solve for x
    x = 1,079,883,358.40/35,391.04
  6. Step 6: Final answer
    x = 30,512.90

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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.