Home / 55,683.38-76,846.73-30,532.88

Finding the Fourth Proportional to 55,683.38, 76,846.73 and 30,532.88

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Solution

The fourth proportional to 55,683.38, 76,846.73 and 30,532.88 is: 42,137.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,683.38 : 76,846.73 = 30,532.88 : x
  2. Step 2: Convert to fraction form
    55,683.38/76,846.73 = 30,532.88/x
  3. Step 3: Cross multiply
    55,683.38x = 76,846.73 × 30,532.88
  4. Step 4: Simplify right side
    55,683.38x = 2,346,351,448.58
  5. Step 5: Solve for x
    x = 2,346,351,448.58/55,683.38
  6. Step 6: Final answer
    x = 42,137.38

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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.