Home / 51,550.50-77,328.69-16,015.20

Finding the Fourth Proportional to 51,550.50, 77,328.69 and 16,015.20

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Solution

The fourth proportional to 51,550.50, 77,328.69 and 16,015.20 is: 24,023.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,550.50 : 77,328.69 = 16,015.20 : x
  2. Step 2: Convert to fraction form
    51,550.50/77,328.69 = 16,015.20/x
  3. Step 3: Cross multiply
    51,550.50x = 77,328.69 × 16,015.20
  4. Step 4: Simplify right side
    51,550.50x = 1,238,434,436.09
  5. Step 5: Solve for x
    x = 1,238,434,436.09/51,550.50
  6. Step 6: Final answer
    x = 24,023.71

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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.