Home / 55,558.92-76,591.62-39,615.72

Finding the Fourth Proportional to 55,558.92, 76,591.62 and 39,615.72

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Solution

The fourth proportional to 55,558.92, 76,591.62 and 39,615.72 is: 54,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,558.92 : 76,591.62 = 39,615.72 : x
  2. Step 2: Convert to fraction form
    55,558.92/76,591.62 = 39,615.72/x
  3. Step 3: Cross multiply
    55,558.92x = 76,591.62 × 39,615.72
  4. Step 4: Simplify right side
    55,558.92x = 3,034,232,172.27
  5. Step 5: Solve for x
    x = 3,034,232,172.27/55,558.92
  6. Step 6: Final answer
    x = 54,612.87

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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.