Home / 55,423.44-76,483.24-31,549.60

Finding the Fourth Proportional to 55,423.44, 76,483.24 and 31,549.60

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Solution

The fourth proportional to 55,423.44, 76,483.24 and 31,549.60 is: 43,537.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,423.44 : 76,483.24 = 31,549.60 : x
  2. Step 2: Convert to fraction form
    55,423.44/76,483.24 = 31,549.60/x
  3. Step 3: Cross multiply
    55,423.44x = 76,483.24 × 31,549.60
  4. Step 4: Simplify right side
    55,423.44x = 2,413,015,628.70
  5. Step 5: Solve for x
    x = 2,413,015,628.70/55,423.44
  6. Step 6: Final answer
    x = 43,537.82

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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.