Home / 37,127.48-51,231.20-21,212.96

Finding the Fourth Proportional to 37,127.48, 51,231.20 and 21,212.96

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Solution

The fourth proportional to 37,127.48, 51,231.20 and 21,212.96 is: 29,271.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,127.48 : 51,231.20 = 21,212.96 : x
  2. Step 2: Convert to fraction form
    37,127.48/51,231.20 = 21,212.96/x
  3. Step 3: Cross multiply
    37,127.48x = 51,231.20 × 21,212.96
  4. Step 4: Simplify right side
    37,127.48x = 1,086,765,034.13
  5. Step 5: Solve for x
    x = 1,086,765,034.13/37,127.48
  6. Step 6: Final answer
    x = 29,271.18

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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.