Home / 37,966.39-56,943.75-12,666.36

Finding the Fourth Proportional to 37,966.39, 56,943.75 and 12,666.36

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Solution

The fourth proportional to 37,966.39, 56,943.75 and 12,666.36 is: 18,997.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,966.39 : 56,943.75 = 12,666.36 : x
  2. Step 2: Convert to fraction form
    37,966.39/56,943.75 = 12,666.36/x
  3. Step 3: Cross multiply
    37,966.39x = 56,943.75 × 12,666.36
  4. Step 4: Simplify right side
    37,966.39x = 721,270,037.25
  5. Step 5: Solve for x
    x = 721,270,037.25/37,966.39
  6. Step 6: Final answer
    x = 18,997.59

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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.