Home / 37,070.29-51,160.68-21,157.15

Finding the Fourth Proportional to 37,070.29, 51,160.68 and 21,157.15

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Solution

The fourth proportional to 37,070.29, 51,160.68 and 21,157.15 is: 29,198.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,070.29 : 51,160.68 = 21,157.15 : x
  2. Step 2: Convert to fraction form
    37,070.29/51,160.68 = 21,157.15/x
  3. Step 3: Cross multiply
    37,070.29x = 51,160.68 × 21,157.15
  4. Step 4: Simplify right side
    37,070.29x = 1,082,414,180.86
  5. Step 5: Solve for x
    x = 1,082,414,180.86/37,070.29
  6. Step 6: Final answer
    x = 29,198.97

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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.