Home / 39,225.84-54,131.40-22,458.84

Finding the Fourth Proportional to 39,225.84, 54,131.40 and 22,458.84

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Solution

The fourth proportional to 39,225.84, 54,131.40 and 22,458.84 is: 30,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,225.84 : 54,131.40 = 22,458.84 : x
  2. Step 2: Convert to fraction form
    39,225.84/54,131.40 = 22,458.84/x
  3. Step 3: Cross multiply
    39,225.84x = 54,131.40 × 22,458.84
  4. Step 4: Simplify right side
    39,225.84x = 1,215,728,451.58
  5. Step 5: Solve for x
    x = 1,215,728,451.58/39,225.84
  6. Step 6: Final answer
    x = 30,993.05

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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.