Home / 37,831.80-56,753.82-12,874.08

Finding the Fourth Proportional to 37,831.80, 56,753.82 and 12,874.08

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Solution

The fourth proportional to 37,831.80, 56,753.82 and 12,874.08 is: 19,313.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,831.80 : 56,753.82 = 12,874.08 : x
  2. Step 2: Convert to fraction form
    37,831.80/56,753.82 = 12,874.08/x
  3. Step 3: Cross multiply
    37,831.80x = 56,753.82 × 12,874.08
  4. Step 4: Simplify right side
    37,831.80x = 730,653,218.99
  5. Step 5: Solve for x
    x = 730,653,218.99/37,831.80
  6. Step 6: Final answer
    x = 19,313.20

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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.