Home / 40,200.69-55,479.90-22,299.09

Finding the Fourth Proportional to 40,200.69, 55,479.90 and 22,299.09

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Solution

The fourth proportional to 40,200.69, 55,479.90 and 22,299.09 is: 30,774.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,200.69 : 55,479.90 = 22,299.09 : x
  2. Step 2: Convert to fraction form
    40,200.69/55,479.90 = 22,299.09/x
  3. Step 3: Cross multiply
    40,200.69x = 55,479.90 × 22,299.09
  4. Step 4: Simplify right side
    40,200.69x = 1,237,151,283.29
  5. Step 5: Solve for x
    x = 1,237,151,283.29/40,200.69
  6. Step 6: Final answer
    x = 30,774.38

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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.