Home / 40,106.80-55,349.98-22,201.80

Finding the Fourth Proportional to 40,106.80, 55,349.98 and 22,201.80

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Solution

The fourth proportional to 40,106.80, 55,349.98 and 22,201.80 is: 30,639.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,106.80 : 55,349.98 = 22,201.80 : x
  2. Step 2: Convert to fraction form
    40,106.80/55,349.98 = 22,201.80/x
  3. Step 3: Cross multiply
    40,106.80x = 55,349.98 × 22,201.80
  4. Step 4: Simplify right side
    40,106.80x = 1,228,869,047.78
  5. Step 5: Solve for x
    x = 1,228,869,047.78/40,106.80
  6. Step 6: Final answer
    x = 30,639.92

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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.