Home / 39,172.01-54,053.12-22,173.55

Finding the Fourth Proportional to 39,172.01, 54,053.12 and 22,173.55

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Solution

The fourth proportional to 39,172.01, 54,053.12 and 22,173.55 is: 30,597.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,172.01 : 54,053.12 = 22,173.55 : x
  2. Step 2: Convert to fraction form
    39,172.01/54,053.12 = 22,173.55/x
  3. Step 3: Cross multiply
    39,172.01x = 54,053.12 × 22,173.55
  4. Step 4: Simplify right side
    39,172.01x = 1,198,549,479.28
  5. Step 5: Solve for x
    x = 1,198,549,479.28/39,172.01
  6. Step 6: Final answer
    x = 30,597.09

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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.