Home / 37,191.90-55,732.47-20,556.72

Finding the Fourth Proportional to 37,191.90, 55,732.47 and 20,556.72

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Solution

The fourth proportional to 37,191.90, 55,732.47 and 20,556.72 is: 30,804.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,191.90 : 55,732.47 = 20,556.72 : x
  2. Step 2: Convert to fraction form
    37,191.90/55,732.47 = 20,556.72/x
  3. Step 3: Cross multiply
    37,191.90x = 55,732.47 × 20,556.72
  4. Step 4: Simplify right side
    37,191.90x = 1,145,676,780.70
  5. Step 5: Solve for x
    x = 1,145,676,780.70/37,191.90
  6. Step 6: Final answer
    x = 30,804.47

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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.