Home / 55,379.74-76,424.02-30,229.24

Finding the Fourth Proportional to 55,379.74, 76,424.02 and 30,229.24

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Solution

The fourth proportional to 55,379.74, 76,424.02 and 30,229.24 is: 41,716.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,379.74 : 76,424.02 = 30,229.24 : x
  2. Step 2: Convert to fraction form
    55,379.74/76,424.02 = 30,229.24/x
  3. Step 3: Cross multiply
    55,379.74x = 76,424.02 × 30,229.24
  4. Step 4: Simplify right side
    55,379.74x = 2,310,239,775.71
  5. Step 5: Solve for x
    x = 2,310,239,775.71/55,379.74
  6. Step 6: Final answer
    x = 41,716.34

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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.