Home / 51,816.75-71,509.73-30,595.56

Finding the Fourth Proportional to 51,816.75, 71,509.73 and 30,595.56

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Solution

The fourth proportional to 51,816.75, 71,509.73 and 30,595.56 is: 42,223.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,816.75 : 71,509.73 = 30,595.56 : x
  2. Step 2: Convert to fraction form
    51,816.75/71,509.73 = 30,595.56/x
  3. Step 3: Cross multiply
    51,816.75x = 71,509.73 × 30,595.56
  4. Step 4: Simplify right side
    51,816.75x = 2,187,880,234.80
  5. Step 5: Solve for x
    x = 2,187,880,234.80/51,816.75
  6. Step 6: Final answer
    x = 42,223.42

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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.