Home / 51,111.60-76,671.18-17,827.62

Finding the Fourth Proportional to 51,111.60, 76,671.18 and 17,827.62

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Solution

The fourth proportional to 51,111.60, 76,671.18 and 17,827.62 is: 26,742.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,111.60 : 76,671.18 = 17,827.62 : x
  2. Step 2: Convert to fraction form
    51,111.60/76,671.18 = 17,827.62/x
  3. Step 3: Cross multiply
    51,111.60x = 76,671.18 × 17,827.62
  4. Step 4: Simplify right side
    51,111.60x = 1,366,864,661.99
  5. Step 5: Solve for x
    x = 1,366,864,661.99/51,111.60
  6. Step 6: Final answer
    x = 26,742.75

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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.