Home / 51,018.46-76,385.67-38,500.54

Finding the Fourth Proportional to 51,018.46, 76,385.67 and 38,500.54

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Solution

The fourth proportional to 51,018.46, 76,385.67 and 38,500.54 is: 57,643.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,018.46 : 76,385.67 = 38,500.54 : x
  2. Step 2: Convert to fraction form
    51,018.46/76,385.67 = 38,500.54/x
  3. Step 3: Cross multiply
    51,018.46x = 76,385.67 × 38,500.54
  4. Step 4: Simplify right side
    51,018.46x = 2,940,889,543.26
  5. Step 5: Solve for x
    x = 2,940,889,543.26/51,018.46
  6. Step 6: Final answer
    x = 57,643.64

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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.