Home / 37,940.13-56,871.95-12,963.17

Finding the Fourth Proportional to 37,940.13, 56,871.95 and 12,963.17

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Solution

The fourth proportional to 37,940.13, 56,871.95 and 12,963.17 is: 19,431.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,940.13 : 56,871.95 = 12,963.17 : x
  2. Step 2: Convert to fraction form
    37,940.13/56,871.95 = 12,963.17/x
  3. Step 3: Cross multiply
    37,940.13x = 56,871.95 × 12,963.17
  4. Step 4: Simplify right side
    37,940.13x = 737,240,833.45
  5. Step 5: Solve for x
    x = 737,240,833.45/37,940.13
  6. Step 6: Final answer
    x = 19,431.69

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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.