Home / 52,049.09-78,057.50-18,764.85

Finding the Fourth Proportional to 52,049.09, 78,057.50 and 18,764.85

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Solution

The fourth proportional to 52,049.09, 78,057.50 and 18,764.85 is: 28,141.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,049.09 : 78,057.50 = 18,764.85 : x
  2. Step 2: Convert to fraction form
    52,049.09/78,057.50 = 18,764.85/x
  3. Step 3: Cross multiply
    52,049.09x = 78,057.50 × 18,764.85
  4. Step 4: Simplify right side
    52,049.09x = 1,464,737,278.88
  5. Step 5: Solve for x
    x = 1,464,737,278.88/52,049.09
  6. Step 6: Final answer
    x = 28,141.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.