Home / 40,007.04-55,210.83-22,103.20

Finding the Fourth Proportional to 40,007.04, 55,210.83 and 22,103.20

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Solution

The fourth proportional to 40,007.04, 55,210.83 and 22,103.20 is: 30,503.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,007.04 : 55,210.83 = 22,103.20 : x
  2. Step 2: Convert to fraction form
    40,007.04/55,210.83 = 22,103.20/x
  3. Step 3: Cross multiply
    40,007.04x = 55,210.83 × 22,103.20
  4. Step 4: Simplify right side
    40,007.04x = 1,220,336,017.66
  5. Step 5: Solve for x
    x = 1,220,336,017.66/40,007.04
  6. Step 6: Final answer
    x = 30,503.03

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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.