Home / 37,979.78-56,957.48-12,672.59

Finding the Fourth Proportional to 37,979.78, 56,957.48 and 12,672.59

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Solution

The fourth proportional to 37,979.78, 56,957.48 and 12,672.59 is: 19,004.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,979.78 : 56,957.48 = 12,672.59 : x
  2. Step 2: Convert to fraction form
    37,979.78/56,957.48 = 12,672.59/x
  3. Step 3: Cross multiply
    37,979.78x = 56,957.48 × 12,672.59
  4. Step 4: Simplify right side
    37,979.78x = 721,798,728.11
  5. Step 5: Solve for x
    x = 721,798,728.11/37,979.78
  6. Step 6: Final answer
    x = 19,004.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.