Home / 51,610.47-77,401.63-14,161.66

Finding the Fourth Proportional to 51,610.47, 77,401.63 and 14,161.66

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Solution

The fourth proportional to 51,610.47, 77,401.63 and 14,161.66 is: 21,238.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,610.47 : 77,401.63 = 14,161.66 : x
  2. Step 2: Convert to fraction form
    51,610.47/77,401.63 = 14,161.66/x
  3. Step 3: Cross multiply
    51,610.47x = 77,401.63 × 14,161.66
  4. Step 4: Simplify right side
    51,610.47x = 1,096,135,567.51
  5. Step 5: Solve for x
    x = 1,096,135,567.51/51,610.47
  6. Step 6: Final answer
    x = 21,238.63

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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.