Home / 36,979.98-51,026.67-21,062.40

Finding the Fourth Proportional to 36,979.98, 51,026.67 and 21,062.40

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Solution

The fourth proportional to 36,979.98, 51,026.67 and 21,062.40 is: 29,062.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,979.98 : 51,026.67 = 21,062.40 : x
  2. Step 2: Convert to fraction form
    36,979.98/51,026.67 = 21,062.40/x
  3. Step 3: Cross multiply
    36,979.98x = 51,026.67 × 21,062.40
  4. Step 4: Simplify right side
    36,979.98x = 1,074,744,134.21
  5. Step 5: Solve for x
    x = 1,074,744,134.21/36,979.98
  6. Step 6: Final answer
    x = 29,062.86

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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.