Home / 55,931.42-83,910.26-18,491.48

Finding the Fourth Proportional to 55,931.42, 83,910.26 and 18,491.48

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Solution

The fourth proportional to 55,931.42, 83,910.26 and 18,491.48 is: 27,741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,931.42 : 83,910.26 = 18,491.48 : x
  2. Step 2: Convert to fraction form
    55,931.42/83,910.26 = 18,491.48/x
  3. Step 3: Cross multiply
    55,931.42x = 83,910.26 × 18,491.48
  4. Step 4: Simplify right side
    55,931.42x = 1,551,624,382.58
  5. Step 5: Solve for x
    x = 1,551,624,382.58/55,931.42
  6. Step 6: Final answer
    x = 27,741.55

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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.