Home / 51,315.10-76,984.17-18,037.46

Finding the Fourth Proportional to 51,315.10, 76,984.17 and 18,037.46

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Solution

The fourth proportional to 51,315.10, 76,984.17 and 18,037.46 is: 27,060.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,315.10 : 76,984.17 = 18,037.46 : x
  2. Step 2: Convert to fraction form
    51,315.10/76,984.17 = 18,037.46/x
  3. Step 3: Cross multiply
    51,315.10x = 76,984.17 × 18,037.46
  4. Step 4: Simplify right side
    51,315.10x = 1,388,598,887.01
  5. Step 5: Solve for x
    x = 1,388,598,887.01/51,315.10
  6. Step 6: Final answer
    x = 27,060.24

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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.