Home / 51,577.45-77,357.87-14,128.77

Finding the Fourth Proportional to 51,577.45, 77,357.87 and 14,128.77

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Solution

The fourth proportional to 51,577.45, 77,357.87 and 14,128.77 is: 21,190.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,577.45 : 77,357.87 = 14,128.77 : x
  2. Step 2: Convert to fraction form
    51,577.45/77,357.87 = 14,128.77/x
  3. Step 3: Cross multiply
    51,577.45x = 77,357.87 × 14,128.77
  4. Step 4: Simplify right side
    51,577.45x = 1,092,971,245.17
  5. Step 5: Solve for x
    x = 1,092,971,245.17/51,577.45
  6. Step 6: Final answer
    x = 21,190.88

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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.