Home / 39,245.11-54,157.12-22,250.93

Finding the Fourth Proportional to 39,245.11, 54,157.12 and 22,250.93

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Solution

The fourth proportional to 39,245.11, 54,157.12 and 22,250.93 is: 30,705.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,245.11 : 54,157.12 = 22,250.93 : x
  2. Step 2: Convert to fraction form
    39,245.11/54,157.12 = 22,250.93/x
  3. Step 3: Cross multiply
    39,245.11x = 54,157.12 × 22,250.93
  4. Step 4: Simplify right side
    39,245.11x = 1,205,045,959.71
  5. Step 5: Solve for x
    x = 1,205,045,959.71/39,245.11
  6. Step 6: Final answer
    x = 30,705.64

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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.