Home / 51,150.46-76,646.11-19,543.28

Finding the Fourth Proportional to 51,150.46, 76,646.11 and 19,543.28

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Solution

The fourth proportional to 51,150.46, 76,646.11 and 19,543.28 is: 29,284.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,150.46 : 76,646.11 = 19,543.28 : x
  2. Step 2: Convert to fraction form
    51,150.46/76,646.11 = 19,543.28/x
  3. Step 3: Cross multiply
    51,150.46x = 76,646.11 × 19,543.28
  4. Step 4: Simplify right side
    51,150.46x = 1,497,916,388.64
  5. Step 5: Solve for x
    x = 1,497,916,388.64/51,150.46
  6. Step 6: Final answer
    x = 29,284.51

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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.