Home / 52,119.38-71,924.64-28,245.98

Finding the Fourth Proportional to 52,119.38, 71,924.64 and 28,245.98

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Solution

The fourth proportional to 52,119.38, 71,924.64 and 28,245.98 is: 38,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,119.38 : 71,924.64 = 28,245.98 : x
  2. Step 2: Convert to fraction form
    52,119.38/71,924.64 = 28,245.98/x
  3. Step 3: Cross multiply
    52,119.38x = 71,924.64 × 28,245.98
  4. Step 4: Simplify right side
    52,119.38x = 2,031,581,942.95
  5. Step 5: Solve for x
    x = 2,031,581,942.95/52,119.38
  6. Step 6: Final answer
    x = 38,979.40

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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.