Home / 37,111.38-51,213.96-20,758.68

Finding the Fourth Proportional to 37,111.38, 51,213.96 and 20,758.68

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Solution

The fourth proportional to 37,111.38, 51,213.96 and 20,758.68 is: 28,647.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,111.38 : 51,213.96 = 20,758.68 : x
  2. Step 2: Convert to fraction form
    37,111.38/51,213.96 = 20,758.68/x
  3. Step 3: Cross multiply
    37,111.38x = 51,213.96 × 20,758.68
  4. Step 4: Simplify right side
    37,111.38x = 1,063,134,207.17
  5. Step 5: Solve for x
    x = 1,063,134,207.17/37,111.38
  6. Step 6: Final answer
    x = 28,647.12

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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.