Home / 36,981.63-51,031.89-21,062.97

Finding the Fourth Proportional to 36,981.63, 51,031.89 and 21,062.97

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Solution

The fourth proportional to 36,981.63, 51,031.89 and 21,062.97 is: 29,065.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,981.63 : 51,031.89 = 21,062.97 : x
  2. Step 2: Convert to fraction form
    36,981.63/51,031.89 = 21,062.97/x
  3. Step 3: Cross multiply
    36,981.63x = 51,031.89 × 21,062.97
  4. Step 4: Simplify right side
    36,981.63x = 1,074,883,168.11
  5. Step 5: Solve for x
    x = 1,074,883,168.11/36,981.63
  6. Step 6: Final answer
    x = 29,065.33

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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.