Home / 37,052.15-51,127.16-21,135.65

Finding the Fourth Proportional to 37,052.15, 51,127.16 and 21,135.65

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Solution

The fourth proportional to 37,052.15, 51,127.16 and 21,135.65 is: 29,164.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,052.15 : 51,127.16 = 21,135.65 : x
  2. Step 2: Convert to fraction form
    37,052.15/51,127.16 = 21,135.65/x
  3. Step 3: Cross multiply
    37,052.15x = 51,127.16 × 21,135.65
  4. Step 4: Simplify right side
    37,052.15x = 1,080,605,397.94
  5. Step 5: Solve for x
    x = 1,080,605,397.94/37,052.15
  6. Step 6: Final answer
    x = 29,164.45

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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.