Home / 55,529.74-76,631.70-30,379.24

Finding the Fourth Proportional to 55,529.74, 76,631.70 and 30,379.24

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Solution

The fourth proportional to 55,529.74, 76,631.70 and 30,379.24 is: 41,923.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,529.74 : 76,631.70 = 30,379.24 : x
  2. Step 2: Convert to fraction form
    55,529.74/76,631.70 = 30,379.24/x
  3. Step 3: Cross multiply
    55,529.74x = 76,631.70 × 30,379.24
  4. Step 4: Simplify right side
    55,529.74x = 2,328,012,805.91
  5. Step 5: Solve for x
    x = 2,328,012,805.91/55,529.74
  6. Step 6: Final answer
    x = 41,923.71

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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.