Home / 40,210.43-55,485.92-22,300.95

Finding the Fourth Proportional to 40,210.43, 55,485.92 and 22,300.95

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Solution

The fourth proportional to 40,210.43, 55,485.92 and 22,300.95 is: 30,772.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,210.43 : 55,485.92 = 22,300.95 : x
  2. Step 2: Convert to fraction form
    40,210.43/55,485.92 = 22,300.95/x
  3. Step 3: Cross multiply
    40,210.43x = 55,485.92 × 22,300.95
  4. Step 4: Simplify right side
    40,210.43x = 1,237,388,671.87
  5. Step 5: Solve for x
    x = 1,237,388,671.87/40,210.43
  6. Step 6: Final answer
    x = 30,772.83

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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.