Home / 40,831.56-61,249.43-11,248.74

Finding the Fourth Proportional to 40,831.56, 61,249.43 and 11,248.74

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Solution

The fourth proportional to 40,831.56, 61,249.43 and 11,248.74 is: 16,873.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,831.56 : 61,249.43 = 11,248.74 : x
  2. Step 2: Convert to fraction form
    40,831.56/61,249.43 = 11,248.74/x
  3. Step 3: Cross multiply
    40,831.56x = 61,249.43 × 11,248.74
  4. Step 4: Simplify right side
    40,831.56x = 688,978,941.34
  5. Step 5: Solve for x
    x = 688,978,941.34/40,831.56
  6. Step 6: Final answer
    x = 16,873.69

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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.