Home / 37,193.90-55,735.47-20,558.72

Finding the Fourth Proportional to 37,193.90, 55,735.47 and 20,558.72

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Solution

The fourth proportional to 37,193.90, 55,735.47 and 20,558.72 is: 30,807.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,193.90 : 55,735.47 = 20,558.72 : x
  2. Step 2: Convert to fraction form
    37,193.90/55,735.47 = 20,558.72/x
  3. Step 3: Cross multiply
    37,193.90x = 55,735.47 × 20,558.72
  4. Step 4: Simplify right side
    37,193.90x = 1,145,849,921.80
  5. Step 5: Solve for x
    x = 1,145,849,921.80/37,193.90
  6. Step 6: Final answer
    x = 30,807.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.