Home / 37,145.03-55,732.93-20,503.58

Finding the Fourth Proportional to 37,145.03, 55,732.93 and 20,503.58

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Solution

The fourth proportional to 37,145.03, 55,732.93 and 20,503.58 is: 30,763.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,145.03 : 55,732.93 = 20,503.58 : x
  2. Step 2: Convert to fraction form
    37,145.03/55,732.93 = 20,503.58/x
  3. Step 3: Cross multiply
    37,145.03x = 55,732.93 × 20,503.58
  4. Step 4: Simplify right side
    37,145.03x = 1,142,724,258.97
  5. Step 5: Solve for x
    x = 1,142,724,258.97/37,145.03
  6. Step 6: Final answer
    x = 30,763.86

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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.