Home / 37,153.10-51,272.17-21,239.03

Finding the Fourth Proportional to 37,153.10, 51,272.17 and 21,239.03

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Solution

The fourth proportional to 37,153.10, 51,272.17 and 21,239.03 is: 29,310.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,153.10 : 51,272.17 = 21,239.03 : x
  2. Step 2: Convert to fraction form
    37,153.10/51,272.17 = 21,239.03/x
  3. Step 3: Cross multiply
    37,153.10x = 51,272.17 × 21,239.03
  4. Step 4: Simplify right side
    37,153.10x = 1,088,971,231.88
  5. Step 5: Solve for x
    x = 1,088,971,231.88/37,153.10
  6. Step 6: Final answer
    x = 29,310.37

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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.