Home / 51,778.94-77,657.34-16,709.18

Finding the Fourth Proportional to 51,778.94, 77,657.34 and 16,709.18

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Solution

The fourth proportional to 51,778.94, 77,657.34 and 16,709.18 is: 25,060.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,778.94 : 77,657.34 = 16,709.18 : x
  2. Step 2: Convert to fraction form
    51,778.94/77,657.34 = 16,709.18/x
  3. Step 3: Cross multiply
    51,778.94x = 77,657.34 × 16,709.18
  4. Step 4: Simplify right side
    51,778.94x = 1,297,590,472.38
  5. Step 5: Solve for x
    x = 1,297,590,472.38/51,778.94
  6. Step 6: Final answer
    x = 25,060.20

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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.