Home / 55,276.92-82,889.46-18,315

Finding the Fourth Proportional to 55,276.92, 82,889.46 and 18,315

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Solution

The fourth proportional to 55,276.92, 82,889.46 and 18,315 is: 27,463.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.92 : 82,889.46 = 18,315 : x
  2. Step 2: Convert to fraction form
    55,276.92/82,889.46 = 18,315/x
  3. Step 3: Cross multiply
    55,276.92x = 82,889.46 × 18,315
  4. Step 4: Simplify right side
    55,276.92x = 1,518,120,459.90
  5. Step 5: Solve for x
    x = 1,518,120,459.90/55,276.92
  6. Step 6: Final answer
    x = 27,463.91

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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.