Home / 37,831.98-56,756.38-11,538.78

Finding the Fourth Proportional to 37,831.98, 56,756.38 and 11,538.78

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Solution

The fourth proportional to 37,831.98, 56,756.38 and 11,538.78 is: 17,310.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,831.98 : 56,756.38 = 11,538.78 : x
  2. Step 2: Convert to fraction form
    37,831.98/56,756.38 = 11,538.78/x
  3. Step 3: Cross multiply
    37,831.98x = 56,756.38 × 11,538.78
  4. Step 4: Simplify right side
    37,831.98x = 654,899,382.42
  5. Step 5: Solve for x
    x = 654,899,382.42/37,831.98
  6. Step 6: Final answer
    x = 17,310.74

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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.