Home / 31,983.04-47,901.66-26,131.60

Finding the Fourth Proportional to 31,983.04, 47,901.66 and 26,131.60

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Solution

The fourth proportional to 31,983.04, 47,901.66 and 26,131.60 is: 39,137.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,983.04 : 47,901.66 = 26,131.60 : x
  2. Step 2: Convert to fraction form
    31,983.04/47,901.66 = 26,131.60/x
  3. Step 3: Cross multiply
    31,983.04x = 47,901.66 × 26,131.60
  4. Step 4: Simplify right side
    31,983.04x = 1,251,747,018.46
  5. Step 5: Solve for x
    x = 1,251,747,018.46/31,983.04
  6. Step 6: Final answer
    x = 39,137.84

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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.