Home / 35,480.22-48,957.36-20,373.54

Finding the Fourth Proportional to 35,480.22, 48,957.36 and 20,373.54

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Solution

The fourth proportional to 35,480.22, 48,957.36 and 20,373.54 is: 28,112.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,480.22 : 48,957.36 = 20,373.54 : x
  2. Step 2: Convert to fraction form
    35,480.22/48,957.36 = 20,373.54/x
  3. Step 3: Cross multiply
    35,480.22x = 48,957.36 × 20,373.54
  4. Step 4: Simplify right side
    35,480.22x = 997,434,732.25
  5. Step 5: Solve for x
    x = 997,434,732.25/35,480.22
  6. Step 6: Final answer
    x = 28,112.42

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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.