Home / 40,308.88-55,624.44-22,403.80

Finding the Fourth Proportional to 40,308.88, 55,624.44 and 22,403.80

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Solution

The fourth proportional to 40,308.88, 55,624.44 and 22,403.80 is: 30,916.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,308.88 : 55,624.44 = 22,403.80 : x
  2. Step 2: Convert to fraction form
    40,308.88/55,624.44 = 22,403.80/x
  3. Step 3: Cross multiply
    40,308.88x = 55,624.44 × 22,403.80
  4. Step 4: Simplify right side
    40,308.88x = 1,246,198,828.87
  5. Step 5: Solve for x
    x = 1,246,198,828.87/40,308.88
  6. Step 6: Final answer
    x = 30,916.24

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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.