Home / 34,976.16-48,265.20-20,072.16

Finding the Fourth Proportional to 34,976.16, 48,265.20 and 20,072.16

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Solution

The fourth proportional to 34,976.16, 48,265.20 and 20,072.16 is: 27,698.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,976.16 : 48,265.20 = 20,072.16 : x
  2. Step 2: Convert to fraction form
    34,976.16/48,265.20 = 20,072.16/x
  3. Step 3: Cross multiply
    34,976.16x = 48,265.20 × 20,072.16
  4. Step 4: Simplify right side
    34,976.16x = 968,786,816.83
  5. Step 5: Solve for x
    x = 968,786,816.83/34,976.16
  6. Step 6: Final answer
    x = 27,698.49

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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.