Home / 37,048.78-51,127.64-21,134.04

Finding the Fourth Proportional to 37,048.78, 51,127.64 and 21,134.04

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Solution

The fourth proportional to 37,048.78, 51,127.64 and 21,134.04 is: 29,165.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,048.78 : 51,127.64 = 21,134.04 : x
  2. Step 2: Convert to fraction form
    37,048.78/51,127.64 = 21,134.04/x
  3. Step 3: Cross multiply
    37,048.78x = 51,127.64 × 21,134.04
  4. Step 4: Simplify right side
    37,048.78x = 1,080,533,588.87
  5. Step 5: Solve for x
    x = 1,080,533,588.87/37,048.78
  6. Step 6: Final answer
    x = 29,165.16

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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.