Home / 37,070.06-51,160.34-21,156.89

Finding the Fourth Proportional to 37,070.06, 51,160.34 and 21,156.89

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Solution

The fourth proportional to 37,070.06, 51,160.34 and 21,156.89 is: 29,198.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,070.06 : 51,160.34 = 21,156.89 : x
  2. Step 2: Convert to fraction form
    37,070.06/51,160.34 = 21,156.89/x
  3. Step 3: Cross multiply
    37,070.06x = 51,160.34 × 21,156.89
  4. Step 4: Simplify right side
    37,070.06x = 1,082,393,324.16
  5. Step 5: Solve for x
    x = 1,082,393,324.16/37,070.06
  6. Step 6: Final answer
    x = 29,198.59

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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.