Home / 51,457.27-77,175.10-14,512.63

Finding the Fourth Proportional to 51,457.27, 77,175.10 and 14,512.63

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Solution

The fourth proportional to 51,457.27, 77,175.10 and 14,512.63 is: 21,765.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,457.27 : 77,175.10 = 14,512.63 : x
  2. Step 2: Convert to fraction form
    51,457.27/77,175.10 = 14,512.63/x
  3. Step 3: Cross multiply
    51,457.27x = 77,175.10 × 14,512.63
  4. Step 4: Simplify right side
    51,457.27x = 1,120,013,249.36
  5. Step 5: Solve for x
    x = 1,120,013,249.36/51,457.27
  6. Step 6: Final answer
    x = 21,765.89

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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.