Home / 37,044.34-51,120.67-21,129.05

Finding the Fourth Proportional to 37,044.34, 51,120.67 and 21,129.05

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Solution

The fourth proportional to 37,044.34, 51,120.67 and 21,129.05 is: 29,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,044.34 : 51,120.67 = 21,129.05 : x
  2. Step 2: Convert to fraction form
    37,044.34/51,120.67 = 21,129.05/x
  3. Step 3: Cross multiply
    37,044.34x = 51,120.67 × 21,129.05
  4. Step 4: Simplify right side
    37,044.34x = 1,080,131,307.06
  5. Step 5: Solve for x
    x = 1,080,131,307.06/37,044.34
  6. Step 6: Final answer
    x = 29,157.80

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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.