Home / 40,055.50-55,275.68-22,150.65

Finding the Fourth Proportional to 40,055.50, 55,275.68 and 22,150.65

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Solution

The fourth proportional to 40,055.50, 55,275.68 and 22,150.65 is: 30,567.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,055.50 : 55,275.68 = 22,150.65 : x
  2. Step 2: Convert to fraction form
    40,055.50/55,275.68 = 22,150.65/x
  3. Step 3: Cross multiply
    40,055.50x = 55,275.68 × 22,150.65
  4. Step 4: Simplify right side
    40,055.50x = 1,224,392,241.19
  5. Step 5: Solve for x
    x = 1,224,392,241.19/40,055.50
  6. Step 6: Final answer
    x = 30,567.39

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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.