Home / 37,587.31-56,387.48-12,629.79

Finding the Fourth Proportional to 37,587.31, 56,387.48 and 12,629.79

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Solution

The fourth proportional to 37,587.31, 56,387.48 and 12,629.79 is: 18,946.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,587.31 : 56,387.48 = 12,629.79 : x
  2. Step 2: Convert to fraction form
    37,587.31/56,387.48 = 12,629.79/x
  3. Step 3: Cross multiply
    37,587.31x = 56,387.48 × 12,629.79
  4. Step 4: Simplify right side
    37,587.31x = 712,161,967.88
  5. Step 5: Solve for x
    x = 712,161,967.88/37,587.31
  6. Step 6: Final answer
    x = 18,946.87

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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.